用乘法公式计算:(x+1)^2(x-1)^2(x^2+1)^2

2024-12-18 15:06:16
推荐回答(1个)
回答1:

原式=[(x+1)(x-1)(x^2+1)]^2
=[(x^2-1)(x^2+1)]^2
=(x^4-1)^2
=x^8-2x^4+1