Question

若x,y均不等于0或1,且（x的n+2次方*y的2m+n次方）* x的1-2n次方* y的2n-3m次方=x的9次方*

Answer 1

左边=x^(n+2+1-2n)*y^(2m+n+2n-3m)

=x^(3-n)*y^(3n-m)

右边=x^9*y^16

所以3-n=9

3n-m=16

n=-6,m=-34

n/m=3/17