Предмет: Математика, автор: n667

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Все кроме 2 задания ​

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Ответы

Автор ответа: arbat1508201
1

Ответ:

Пошаговое объяснение:

1.а) у'=4×(2-х)в3×(-1)=-4(2-х)в3

1.б) у'=cosxcos4x+sinx(-sin4x)×4=

=cosxcos4x-4sinxsin4x

1.в) 3хв2(1-хв2)-хв3(-2х) /(1-хв2)в2=

=(3хв2-хв4)/(1-хв2)в2

3. f'(x)=кор.из2/2-sinx=0

sinx=кор.2/2

х=n/4+2nk

4. уравнение касательной

находим f(1)=6×1-1=5

f'(x)=6×2x=12x

f'(1)=12×1=12

y=f(1)+f'(1)(x-1)=5+12(x-1)=12x-7

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