• Предмет: Математика
  • Автор: wednesdday
  • Вопрос задан 2 года назад

найти производную
45.1;45.2;45.3​ (алгебра)

Приложения:

Ответы

Ответ дал: Miroslava227
1

Ответ:

45.1

1

f'(x) =  \cos(3x)  \times (3x) '= 3 \cos(3x)

2

f'(x) =  -  \sin(1 - 2x)  \times (1 - 2x)' = 2 \sin(1 - 2x)  \\

3

f'( x) =  \frac{1}{ \cos {}^{2} (5x) }  \times (5x) '=  \frac{5}{ \cos {}^{2} (5x) }  \\

4

f'(x) =  -  \frac{1}{ \sin {}^{2} (x - 2) }  \\

5

f'(x) =  \cos(3 - 2x)  \times (3 - 2x) '=  - 2 \cos(3 - 2x)  \\

6

f'(x) =  -  \frac{1}{ \sin {}^{2} (5 - 3x) }  \times (5 - 3x) '=  \frac{3}{ \sin {}^{2} (5 - 3x) }  \\

45.2

1

f'(x) = 2(3x - 1)  \times (3x - 1) '= \\  =  2(3x - 1) \times3 = 6(3x - 1) = 18x - 6

2

f'(x) = 3 {(1 - 2x)}^{2}  \times (1 - 2x)' =  \\  =  - 6 {(1 - 2x)}^{2}

3

f'(x) =  - 3 {(2 - 3x)}^{ - 4}  \times (2 - 3x)' =  \\  =  \frac{9}{ {(2 - 3x)}^{4} }

4

f'(x) = 0 - ( - 4) {(1 + 2x)}^{ - 5}  \times (1 + 2x)' =  \\  =  \frac{8}{ {(1 + 2x)}^{5} }

5

f'(x) =5 - 2 {(1 - 3x)}^{ - 3}  \times (1 - 3x)' =  \\  = 5 +  \frac{6}{ {(1 - 3x)}^{3} }

6

f'(x) = 2x - 2 {(1 + 5x)}^{ - 3}  \times (1 + 5x)' =  \\  = 2x -  \frac{10}{ {(1 + 5x)}^{3} }

45.3

1

f'(x) = ( {(2x - 5)}^{ \frac{1}{2} } ) =  \\  =  \frac{1}{2}  {(2x - 5)}^{ -  \frac{1}{2} }  \times (2x - 5) '=  \\  =  \frac{1}{2 \sqrt{2x - 5} }  \times 2 =  \frac{1}{ \sqrt{2x - 5} }

2

f'(x) =  \frac{1}{2}  {(2 {x}^{2} - x) }^{ -  \frac{1}{2} }  \times (2 {x}^{2}  - x) '=  \\  =  \frac{4x - 1}{2 \sqrt{2 {x}^{2}  - x} }

3

f'(x) =  \frac{1} {2}  {(2 - 5x)}^{ -  \frac{1}{2} }  \times (2 - 5x)' =  \\  =  -  \frac{5}{2 \sqrt{2 - 5x} }

4

f'(x) =  \frac{1}{2 \sqrt{3 {x}^{2}  - 5x} }  \times (3 {x}^{2}  - 5x)' =  \\  =  \frac{6x - 5}{2 \sqrt{3 {x}^{2} - 5x } }

5

f'(x) =  \frac{1}{2 \sqrt{3 {x}^{2} - 5x + 1 } }  \times (6x - 5) =  \\  =  \frac{6x - 5}{2 \sqrt{3 {x}^{2}  - 5x + 1} }

6

f'(x) =  \frac{1}{2 \sqrt{2 - 3 {x}^{2}  + 5x} }  \times ( - 6x + 5) =  \\  =  -  \frac{6x - 5}{2 \sqrt{2 - 3 {x}^{2}  + 5x} }

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