设y1=a的3x+1次方,y2=a的-2x方.a>0a不等于1.x为和值y1=y2
问题描述:
设y1=a的3x+1次方,y2=a的-2x方.a>0a不等于1.x为和值y1=y2
答
3x+1=-2x
5x=-1
x=-1/5
当x=-1/5时,y1=y2