急!f(x)=(2mx-m^2 1)/(x^2 1)(x∈R)0 (BC CA AB)/2
问题描述:
急!f(x)=(2mx-m^2 1)/(x^2 1)(x∈R)0 (BC CA AB)/2
A={x|x2-3x 2=0}0
答
g(x)=ax b(a,b∈R)比如0 (BC CA AB)/2比如f(x)=(根号下x^2-3x-4)/x 1 0f(x)=2^x