想知道：y=(x2)/(3x-1)AB=AC=3COS=1/9loga[(x2^2-ax2)/(x1^2-ax1)]>0BE=BCCE=BCCA/2；CF=CAAF=CAAB/2

Question

想知道：y=(x 2)/(3x-1)AB=AC=3COS=1/9
loga[(x2^2-ax2)/(x1^2-ax1)]>0BE=BC CE=BC CA/2；CF=CA AF=CA AB/2

Answer 1

CF=CA AF=CA AB/2∠ACB=90°AB比如x| |y-2/1|=0比如CF=CA AF=CA AB/2