f(x)=(2mx-m^2 1)/(x^2 1)(x∈R)x=1 rcosA,y=-1 rsinA,r>0,A急!f(x)=(2mx-m^2 1)/(x^2 1)(x

问题描述:

f(x)=(2mx-m^2 1)/(x^2 1)(x∈R)x=1 rcosA,y=-1 rsinA,r>0,A急!f(x)=(2mx-m^2 1)/(x^2 1)(x
B=0

0.比较|x-1| |x-2|>0比较f(x)=1 g(x)=x^0 b f(x)=x-1 g(x)=x^2/x-1using namespace std