Пошаговое объяснение:
y' = (8x⁵ -6x⁴)' = 8*5x⁴ -6*4x³ = 40x⁴ - 24x³
y' =(-3x⁻²+0.5x⁴ +3)' = -3*(-2)x⁻²⁻¹ +0.5*4x³ +0 = 6x⁻³ +2x³
y' =(2x⁻⁵+x-7)' = 2*(-5)x⁻⁵⁻¹ +1x¹⁻¹ -0 = -10x⁻⁶ +1
