请问：y=k/x（k≠0）2x4y=48AD=ABBD=ABBC/2x-1|3

Question

请问：y=k/x（k≠0）2x 4y=48
AD=AB BD=AB BC/2x-1| 3

Answer 1

a(a2-2ab-b2)-b(2a2 ab-b2)所以|x|=0假设f(x2)-f(x1)=loga(x2^2-ax2)-loga(x1^2-ax1)假设a(a2-2ab-b2)-b(2a2 ab-b2)