Question

如果a-b=0,则a^4+a^3b+a^2b^2+ab^3+b^4/a^2b^2=

Answer 1

规范的是a=b≠0

那么a^4+a^3b+a^2b^2+ab^3+b^4=5a^4,a^2b^2=a^4

所以(a^4+a^3b+a^2b^2+ab^3+b^4)/a^2b^2=5a^4/a^4=5