已知y1=x²-2x+3,y2=3x-1当x为何值时,y1=y2?

问题描述:

已知y1=x²-2x+3,y2=3x-1当x为何值时,y1=y2?

令y1=y2则x^2-2x+3=3x-1整理得(x-1)(x-4)=0,于是x=1或x=4