Question

1)f(x)=x²(x²-2)
2)f(x)=x²+4x+tgx
найти производную

Answer 1

Ответ:

1

$f(x) = {x}^{2} ( {x}^{2} - 2) = {x}^{4} - 2 {x}^{2}$

$f'(x) = 4 {x}^{3} - 4x$

2

$f(x) = {x}^{2} + 4x + tgx$

$f'(x) = 2x + 4 + \frac{1}{ \cos {}^{2} (x) }$