a^y = a^x [1 a^(y-x)] BE=BC CE=BC CA/2求助a^x a^y = a^x [1 a^(y-x)] BE=BC CE=BC CA/2
问题描述：
a^y = a^x [1 a^(y-x)] BE=BC CE=BC CA/2求助a^x a^y = a^x [1 a^(y-x)] BE=BC CE=BC CA/2
∴(√a √b) 2;≥0 ∴a b-2√ab≥0 A当a=3时A×B＝,
答
x2^2-ax2)/(x1^2-ax1)>0 比方3AB BC CA)/2=0比方f(1/x)=x2 1/x x 12x 4y=48