3√3n+1和3√1-2m互为相反数,则m/n=?
问题描述:
3√3n+1和3√1-2m互为相反数,则m/n=?
答
3√3n+1和3√1-2m互为相反数
则3√(3n+1)=0 ;3√(1-2m)=0
解得n=-1/3 ;m=1/2
m/n=(1/2)/(-1/3)=-3/2