Question

当x取什么值时,下面函数的函数值为0 y=(x-1)(x=1\2) y=2x^2-5x+3

Answer 1

y=x-1,x=1时,y=0

y=2x^2-5x+3=(2x-3)(x-1),当x=3/2或x=1时,y=0