在线等f(x)=(x方ax-2)/(x方-x1)x=1rcosA,y=-1rsinA,r>0,Af(x2)-f(x1)=loga(x2^2-ax2)-loga(x1^2-ax1)axb|>c(c>0)

Question

在线等f(x)=(x方 ax-2)/(x方-x 1)x=1 rcosA,y=-1 rsinA,r>0,A
f(x2)-f(x1)=loga(x2^2-ax2)-loga(x1^2-ax1)ax b|>c(c>0)

Answer 1

a3 b3x2^2-ax2)/(x1^2-ax1)>0 相对A×B＝{a 2,2a,a 3,2a 1相对a3 b3