Question

4. Найдите производную: (2x – 6)^3 + cos^2х.
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Answer 1

Ответ:

$3 {(2x - 6)}^{2} \times 2 + 2 \cos(x) \times ( - \sin(x) ) = 6 {(2x - 6)}^{2} - \sin(2x)$