Question

Найдите f(x)
f(x)= - ctg x+2³+√x-50

Answer 1

$- \cot(x) + 2 {}^{3} + \sqrt{x} - 50 \\ - \cot(x) +8 + \sqrt{x} - 50 \\ - \cot(x) - 42 + \sqrt{x}$

Answer 2

f'(x)=1/sin^2x +1/2√(x-50)