Question

若3x^m+1y^2与x^3y^n的积是单项式3x^5y^5则n^m+m^n=

Answer 1

.3x^m+1y^2与x^3y^n的积是3x^(m+4)y^(2+n),即是 单项式3x^5y^5

则有m+4=5,n+2=5

m=1,n=3

n^m+m^n=1+3=4