根號(hào)(x^2-1) =x+mx^2-1=(x+m)^2x^2-1=x^2+2mx+m^22mx=-1-m^2所以,m=0時(shí),方程無(wú)實(shí)數(shù)解m≠0時(shí),x=(-1-m^2)/2m而根號(hào)(x^2-1)有意義的條件是x^2-1≥0,即:x≥1或x≤-1x≤-1(-1-m^2)/2m≤-1m>0時(shí),-1-m^2≤-2mm^2-2m+1≥0(m-...