Question

16.3.Найдите производные функций (а и в)
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Answer 1

$f'(x) = \frac{1}{2} {(x + 15)}^{ - \frac{1}{2} } = \frac{1}{2 \sqrt{x + 15} }$

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