Question

Найдите производную x^(-1) - 2cos0,5x

Answer 1

(x⁻¹ - 2Cos0,5x) ' = (x⁻¹)' - 2(Cos0,5x)' = - x⁻² + 2Sin0,5x * (0,5x)' =

= x⁻² + 2Sin0,5x * 0,5 = x⁻² + Sin0,5x