说说f(1/x)=x21/xx12x4y=48x2=(-5)2=25x-1|3

Question

说说f(1/x)=x2 1/x x 12x 4y=48
x2 = (-5)2 = 25x-1| 3

Answer 1

三向量AB、BC、CA构成ABC,AB BC CA=0BBE=BC CE=BC CA/2假设f(x)=loga(x^2-ax)在(-1/2,0)-1/2