Question

已知4/9a^3m-1b^3与-3/8a^5b^2n+1是同类项,求(2m-5n)^2001的值

Answer 1

4/9a^3m-1b^3与-3/8a^5b^2n+1是同类项,

3m-1=5,m=2,

3=2n+1,n=1,

(2m-5n)^2001

=(4-5)^2001

=(-1)^2001

=-1