Найти f‘(x0), f(x)=4x+1/x+3, x0=-2
F`(x)=[(4x+1)`(x+3)-(4x+1)(x+3)`]/(x+3)²=[4*(x+3)-1*(4x+1)]/(x+3)²=(4x+12-4x-1)/(x+3)²= =11/(x+3)² f`(-2)=11/(-2+3)²=11/1=11
Решите задачу: