Question

1.已知六次多项式-5x^2 y^m+1 +xy^2 -6,单项式2^2 x^2n y^5-m的次数也是6,求m,n的值

Answer 1

1.2+m+1=6,2n+5-m=6

m=3,n=2

2.m-1=0,n=2

m=1,n=2