(Steps please)
1. (x+1)^2 (x-1)^2
Identies and factorization
2012-08-25 8:58 pm
回答 (1)
2012-08-25 9:24 pm
✔ 最佳答案
1)(x + 1)² (x - 1)²
= [(x + 1) (x - 1)] ²
= (x² - 1) ²
= (x²)² - 2(x²)(1) + 1²
= x⁴- 2x² + 1
收錄日期: 2021-04-21 22:29:53
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120825000051KK00257