Номер 5, страница 44, часть 2 - гдз по алгебре 10 класс учебник Пак, Ардакулы

Авторы: Пак О. В., Ардакулы Д., Ескендирова Е. В.

Тип: Учебник

Издательство: Алматыкітап баспасы

Год издания: 2019 - 2026

Часть: 2

ISBN: 978-601-01-3958-9

Рекомендовано Министерством образования и науки Республики Казахстан

Часть 2. Глава 5. Производная. Параграф 2. Понятие производной. 2.5. Формулы для нахождения производной. Задачи - номер 5, страница 44.

App\Models\Task {#1024 // resources/views/models/task/default.blade.php
  #connection: "mysql"
  #table: "tasks"
  #primaryKey: "id"
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  #perPage: 15
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    "field_page_end" => null
    "field_url" => "/10-klass/algebra/baspasy-pak-uchebnik/5-2-5zad-5"
    "field_display_title" => "5"
    "field_outside_task" => null
    "field_task_type" => Illuminate\Database\Eloquent\Collection {#331
      #items: array:1 [
        0 => App\Models\Term {#1029
          #connection: "mysql"
          #table: "terms"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
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          #attributes: array:6 [
            "id" => 26
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "name" => "номер"
            "field_cases" => array:6 [
              "field_accusative_case" => "номер"
              "field_creative_case" => "номером"
              "field_dative_case" => "номеру"
              "field_genitive_case" => "номера"
              "field_nominative_case" => "номер"
              "field_prepositional_case" => "номере"
            ]
            "field_short_name" => ""
          ]
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              "field_prepositional_case" => "номере"
            ]
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        0 => App\Models\Branch {#1023
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            "id" => 1119426
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                0 => App\Models\Term {#1033
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                    "created_at" => "2026-04-10 13:58:26"
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                    "name" => "Часть"
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                    "field_page_check_not_needed" => "1"
                    "field_short_name" => "ч."
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                0 => App\Models\Book {#1032
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                            "updated_at" => null
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                    "field_class" => Illuminate\Database\Eloquent\Collection {#1036
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                          #primaryKey: "id"
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                            "id" => 5459
                            "created_at" => "2026-04-10 13:58:26"
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                            "field_translit" => "desjatyj"
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                        0 => App\Models\Term {#1039
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Алматыкітап баспасы"
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                            "field_translit" => "almatykitap baspasy"
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                          #original: array:6 [
                            "id" => 7006
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                            "name" => "Алматыкітап баспасы"
                            "field_cases" => array:6 [ …6]
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                          ]
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                      #items: array:3 [
                        0 => App\Models\Term {#1041
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                          #table: "terms"
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                          #attributes: array:12 [
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                        1 => App\Models\Term {#1042
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
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                            "field_name" => "Дархан"
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                        2 => App\Models\Term {#1043
                          #connection: "mysql"
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                            "field_name" => "Елена"
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                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1044
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                            "updated_at" => null
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                        0 => App\Models\Term {#1050
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Алматы"
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                            "created_at" => "2026-04-10 13:58:26"
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    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1062
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        1 => App\Models\Branch {#1063
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        2 => App\Models\Branch {#1101
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            }
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1105
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                0 => App\Models\Branch {#1106
                  #connection: "mysql"
                  #table: "branches"
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        }
        3 => App\Models\Branch {#1110
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            "created_at" => "2026-04-10 13:58:26"
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            }
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                0 => App\Models\Branch {#1114
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1115 …2}
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        4 => App\Models\Branch {#1118
          #connection: "mysql"
          #table: "branches"
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          +incrementing: true
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            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1119
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            }
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            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1121
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                0 => App\Models\Branch {#1122
                  #connection: "mysql"
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                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1123 …2}
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                    "created_at" => "2026-04-10 13:58:26"
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            "task" => array:2 [
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            "img" => array:1 [
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                "name" => "5-1.jpg"
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                "path" => "/media/algebra_10/baspasy-u19/0-5-2-5zad/5-1.webp?ts=1753534819"
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        1 => App\Models\Element {#1135
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          #with: []
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            "text" => "<p><strong>f(x) = $\sqrt{x}$</strong><br>Для нахождения производной этой функции, представим квадратный корень в виде степени: $f(x) = x^{\frac{1}{2}}$.<br>Теперь применим формулу производной степенной функции $(x^n)' = n \cdot x^{n-1}$.<br>В данном случае $n = \frac{1}{2}$.<br>$f'(x) = (x^{\frac{1}{2}})' = \frac{1}{2} \cdot x^{\frac{1}{2} - 1} = \frac{1}{2} \cdot x^{-\frac{1}{2}}$.<br>Преобразуем выражение, чтобы избавиться от отрицательной степени, используя свойство $a^{-n} = \frac{1}{a^n}$:<br>$f'(x) = \frac{1}{2} \cdot \frac{1}{x^{\frac{1}{2}}} = \frac{1}{2\sqrt{x}}$.<br>Ответ: $f'(x) = \frac{1}{2\sqrt{x}}$</p><p><strong>g(x) = $\sqrt{3-4x}$</strong><br>Данная функция является сложной. Для нахождения ее производной воспользуемся правилом дифференцирования сложной функции (цепным правилом): $(f(v(x)))' = f'(v) \cdot v'(x)$.<br>Здесь внешняя функция — это квадратный корень $f(v) = \sqrt{v}$, а внутренняя — подкоренное выражение $v(x) = 3 - 4x$.<br>Найдём производные этих функций:<br>Производная внешней функции: $f'(v) = (\sqrt{v})' = \frac{1}{2\sqrt{v}}$.<br>Производная внутренней функции: $v'(x) = (3 - 4x)' = (3)' - (4x)' = 0 - 4 = -4$.<br>Теперь подставим найденные производные в формулу, заменив $v$ на $3-4x$:<br>$g'(x) = \frac{1}{2\sqrt{3-4x}} \cdot (-4)$.<br>Упростим полученное выражение:<br>$g'(x) = \frac{-4}{2\sqrt{3-4x}} = -\frac{2}{\sqrt{3-4x}}$.<br>Ответ: $g'(x) = -\frac{2}{\sqrt{3-4x}}$</p><p><strong>h(x) = $\sqrt{5-4x^2}$</strong><br>Эта функция также является сложной. Применим цепное правило.<br>Внешняя функция: $f(v) = \sqrt{v}$, её производная $f'(v) = \frac{1}{2\sqrt{v}}$.<br>Внутренняя функция: $v(x) = 5 - 4x^2$, её производная $v'(x) = (5 - 4x^2)' = (5)' - (4x^2)' = 0 - 4 \cdot 2x = -8x$.<br>Подставляем в формулу для производной сложной функции:<br>$h'(x) = \frac{1}{2\sqrt{5-4x^2}} \cdot (-8x)$.<br>Сократим дробь:<br>$h'(x) = \frac{-8x}{2\sqrt{5-4x^2}} = -\frac{4x}{\sqrt{5-4x^2}}$.<br>Ответ: $h'(x) = -\frac{4x}{\sqrt{5-4x^2}}$</p><p><strong>u(x) = $\sqrt{2+\cos x}$</strong><br>И снова используем правило дифференцирования сложной функции.<br>Внешняя функция: $f(v) = \sqrt{v}$, её производная $f'(v) = \frac{1}{2\sqrt{v}}$.<br>Внутренняя функция: $v(x) = 2 + \cos x$. Её производная, учитывая что $(\cos x)' = -\sin x$: $v'(x) = (2 + \cos x)' = (2)' + (\cos x)' = 0 - \sin x = -\sin x$.<br>Подставляем в общую формулу:<br>$u'(x) = \frac{1}{2\sqrt{2+\cos x}} \cdot (-\sin x)$.<br>Запишем результат в более аккуратном виде:<br>$u'(x) = -\frac{\sin x}{2\sqrt{2+\cos x}}$.<br>Ответ: $u'(x) = -\frac{\sin x}{2\sqrt{2+\cos x}}$</p>"
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            "text" => "<p><strong>f(x) = $\sqrt{x}$</strong><br>Для нахождения производной этой функции, представим квадратный корень в виде степени: $f(x) = x^{\frac{1}{2}}$.<br>Теперь применим формулу производной степенной функции $(x^n)' = n \cdot x^{n-1}$.<br>В данном случае $n = \frac{1}{2}$.<br>$f'(x) = (x^{\frac{1}{2}})' = \frac{1}{2} \cdot x^{\frac{1}{2} - 1} = \frac{1}{2} \cdot x^{-\frac{1}{2}}$.<br>Преобразуем выражение, чтобы избавиться от отрицательной степени, используя свойство $a^{-n} = \frac{1}{a^n}$:<br>$f'(x) = \frac{1}{2} \cdot \frac{1}{x^{\frac{1}{2}}} = \frac{1}{2\sqrt{x}}$.<br>Ответ: $f'(x) = \frac{1}{2\sqrt{x}}$</p><p><strong>g(x) = $\sqrt{3-4x}$</strong><br>Данная функция является сложной. Для нахождения ее производной воспользуемся правилом дифференцирования сложной функции (цепным правилом): $(f(v(x)))' = f'(v) \cdot v'(x)$.<br>Здесь внешняя функция — это квадратный корень $f(v) = \sqrt{v}$, а внутренняя — подкоренное выражение $v(x) = 3 - 4x$.<br>Найдём производные этих функций:<br>Производная внешней функции: $f'(v) = (\sqrt{v})' = \frac{1}{2\sqrt{v}}$.<br>Производная внутренней функции: $v'(x) = (3 - 4x)' = (3)' - (4x)' = 0 - 4 = -4$.<br>Теперь подставим найденные производные в формулу, заменив $v$ на $3-4x$:<br>$g'(x) = \frac{1}{2\sqrt{3-4x}} \cdot (-4)$.<br>Упростим полученное выражение:<br>$g'(x) = \frac{-4}{2\sqrt{3-4x}} = -\frac{2}{\sqrt{3-4x}}$.<br>Ответ: $g'(x) = -\frac{2}{\sqrt{3-4x}}$</p><p><strong>h(x) = $\sqrt{5-4x^2}$</strong><br>Эта функция также является сложной. Применим цепное правило.<br>Внешняя функция: $f(v) = \sqrt{v}$, её производная $f'(v) = \frac{1}{2\sqrt{v}}$.<br>Внутренняя функция: $v(x) = 5 - 4x^2$, её производная $v'(x) = (5 - 4x^2)' = (5)' - (4x^2)' = 0 - 4 \cdot 2x = -8x$.<br>Подставляем в формулу для производной сложной функции:<br>$h'(x) = \frac{1}{2\sqrt{5-4x^2}} \cdot (-8x)$.<br>Сократим дробь:<br>$h'(x) = \frac{-8x}{2\sqrt{5-4x^2}} = -\frac{4x}{\sqrt{5-4x^2}}$.<br>Ответ: $h'(x) = -\frac{4x}{\sqrt{5-4x^2}}$</p><p><strong>u(x) = $\sqrt{2+\cos x}$</strong><br>И снова используем правило дифференцирования сложной функции.<br>Внешняя функция: $f(v) = \sqrt{v}$, её производная $f'(v) = \frac{1}{2\sqrt{v}}$.<br>Внутренняя функция: $v(x) = 2 + \cos x$. Её производная, учитывая что $(\cos x)' = -\sin x$: $v'(x) = (2 + \cos x)' = (2)' + (\cos x)' = 0 - \sin x = -\sin x$.<br>Подставляем в общую формулу:<br>$u'(x) = \frac{1}{2\sqrt{2+\cos x}} \cdot (-\sin x)$.<br>Запишем результат в более аккуратном виде:<br>$u'(x) = -\frac{\sin x}{2\sqrt{2+\cos x}}$.<br>Ответ: $u'(x) = -\frac{\sin x}{2\sqrt{2+\cos x}}$</p>"
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№5 (с. 44)
Условие. №5 (с. 44)
скриншот условия
Алгебра, 10 класс Учебник, авторы: Пак Олег Владимирович, Ардакулы Дархан, Ескендирова Елена Викторовна, издательство Алматыкітап баспасы, Алматы, 2019, Часть 2, страница 44, номер 5, Условие

5. Найдите производные следующих функций: $f(x)=\sqrt{x}$, $g(x)=\sqrt{3-4x}$, $h(x)=\sqrt{5-4x^2}$, $u(x)=\sqrt{2+\cos x}$.

Решение 2 (rus). №5 (с. 44)

f(x) = $\sqrt{x}$
Для нахождения производной этой функции, представим квадратный корень в виде степени: $f(x) = x^{\frac{1}{2}}$.
Теперь применим формулу производной степенной функции $(x^n)' = n \cdot x^{n-1}$.
В данном случае $n = \frac{1}{2}$.
$f'(x) = (x^{\frac{1}{2}})' = \frac{1}{2} \cdot x^{\frac{1}{2} - 1} = \frac{1}{2} \cdot x^{-\frac{1}{2}}$.
Преобразуем выражение, чтобы избавиться от отрицательной степени, используя свойство $a^{-n} = \frac{1}{a^n}$:
$f'(x) = \frac{1}{2} \cdot \frac{1}{x^{\frac{1}{2}}} = \frac{1}{2\sqrt{x}}$.
Ответ: $f'(x) = \frac{1}{2\sqrt{x}}$

g(x) = $\sqrt{3-4x}$
Данная функция является сложной. Для нахождения ее производной воспользуемся правилом дифференцирования сложной функции (цепным правилом): $(f(v(x)))' = f'(v) \cdot v'(x)$.
Здесь внешняя функция — это квадратный корень $f(v) = \sqrt{v}$, а внутренняя — подкоренное выражение $v(x) = 3 - 4x$.
Найдём производные этих функций:
Производная внешней функции: $f'(v) = (\sqrt{v})' = \frac{1}{2\sqrt{v}}$.
Производная внутренней функции: $v'(x) = (3 - 4x)' = (3)' - (4x)' = 0 - 4 = -4$.
Теперь подставим найденные производные в формулу, заменив $v$ на $3-4x$:
$g'(x) = \frac{1}{2\sqrt{3-4x}} \cdot (-4)$.
Упростим полученное выражение:
$g'(x) = \frac{-4}{2\sqrt{3-4x}} = -\frac{2}{\sqrt{3-4x}}$.
Ответ: $g'(x) = -\frac{2}{\sqrt{3-4x}}$

h(x) = $\sqrt{5-4x^2}$
Эта функция также является сложной. Применим цепное правило.
Внешняя функция: $f(v) = \sqrt{v}$, её производная $f'(v) = \frac{1}{2\sqrt{v}}$.
Внутренняя функция: $v(x) = 5 - 4x^2$, её производная $v'(x) = (5 - 4x^2)' = (5)' - (4x^2)' = 0 - 4 \cdot 2x = -8x$.
Подставляем в формулу для производной сложной функции:
$h'(x) = \frac{1}{2\sqrt{5-4x^2}} \cdot (-8x)$.
Сократим дробь:
$h'(x) = \frac{-8x}{2\sqrt{5-4x^2}} = -\frac{4x}{\sqrt{5-4x^2}}$.
Ответ: $h'(x) = -\frac{4x}{\sqrt{5-4x^2}}$

u(x) = $\sqrt{2+\cos x}$
И снова используем правило дифференцирования сложной функции.
Внешняя функция: $f(v) = \sqrt{v}$, её производная $f'(v) = \frac{1}{2\sqrt{v}}$.
Внутренняя функция: $v(x) = 2 + \cos x$. Её производная, учитывая что $(\cos x)' = -\sin x$: $v'(x) = (2 + \cos x)' = (2)' + (\cos x)' = 0 - \sin x = -\sin x$.
Подставляем в общую формулу:
$u'(x) = \frac{1}{2\sqrt{2+\cos x}} \cdot (-\sin x)$.
Запишем результат в более аккуратном виде:
$u'(x) = -\frac{\sin x}{2\sqrt{2+\cos x}}$.
Ответ: $u'(x) = -\frac{\sin x}{2\sqrt{2+\cos x}}$

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