亲爱的网友：f(x)=1g(x)=x^0bf(x)=x-1g(x)=x^2/x-10f(x)=2^xA=｛x|x2-3x2=0｝0

Question

亲爱的网友：f(x)=1 g(x)=x^0 b f(x)=x-1 g(x)=x^2/x-1 0f(x)=2^x
A=｛x|x2-3x 2=0｝0

Answer 1

return countTable[v]x2^2-ax2)/(x1^2-ax1)>0 仿照bcosA-2ccosB=2bcosC-acosB仿照return countTable[v]