Question

若（x的m-1次方y的n+1次方）的3次方=x的6次方y的9次方,求m,n的值

Answer 1

[x^(m-1)y^(n+1)]^3=x^6y^9

x^(3m-3)y^(3n+3)=x^6y^9

3m-3=6 m=3

3n+3=9 n=2