计算(x²+x+1)(x²-x+1)(x²+x+1)(x²-x+1)=_数学解答

计算(x²+x+1)(x²-x+1)
(x²+x+1)(x²-x+1)
=

人气：314 ℃　时间：2020-03-21 19:36:16

解答

(x²+x+1)(x²-x+1)=
(x²+1+x)(x²+1-x)=
(x² + 1)² - x² =
x^4 + 2x² + 1 - x² =
x^4 + x² + 1