f(x)=c(c为常数),则f'(x)=0 f(x)=x^n(n不等于0)f'(x)=nx^(n-1)(x^n表示x的n次方) f(x)=sinxf'(x)=cosx f(x)=cosxf'(x)=-sinx f(x)=a^xf'(x)=a^xlna(a>0且a不等于1,x>0) f(x)=e^xf'(x)=e^x...