Question

f(x)=х^2-4/х^2+4
f ' (x)=(х^2-4/х^2+4) ' =

Answer 1

f'(x²-4/x²+4)=2x+8/x³   Подробно х²=2х     -4/x² = -4*(-2)/x³=8/x³   4 = 0