化简 (a-b)²(a+b)²-(a²+b²)²
问题描述:
化简 (a-b)²(a+b)²-(a²+b²)²
答
解(a-b)²(a+b)²-(a²+b²)²=[(a-b)(a+b)]²-(a²+b²)²=(a²-b²)²-(a²+b²)²=[(a²-b²)+(a²+b²)][(a²-b²)-(a...
化简 (a-b)²(a+b)²-(a²+b²)²
解(a-b)²(a+b)²-(a²+b²)²=[(a-b)(a+b)]²-(a²+b²)²=(a²-b²)²-(a²+b²)²=[(a²-b²)+(a²+b²)][(a²-b²)-(a...