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)