请问m²n²/9+2mn^3/3+n^4 因式分解
问题描述:
请问m²n²/9+2mn^3/3+n^4 因式分解
答
m²n²/9+2mn^3/3+n^4
=n²(m²/9+2mn/3+n²)
=n²(m/3+n)²