Найдите производную функции пжжжж!

Question

Найдите производную функции пжжжж!

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Answer 1

F(x) = cosx+x⁴;
f'(x) = -sinx+4x³;
f'(Xo) = f'(0) = -sin0° + 4*0³ = 0.
ответ : f'(0) = 0.

Answer 2

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