f(x)=(2mx-m^21)/(x^21)(x∈R）0(BCCAAB)/2B=0

Question

f(x)=(2mx-m^2 1)/(x^2 1)(x∈R）0 (BC CA AB)/2
B=0

Answer 1

M=,N=假设D所以|x|=0,|y-2/1|=0假设y=lg[X √(x2 1)]若[x √(x2 1)][y (√y2 1)]=1y=cosx=sin（x 丌/2)