By using Cross method,factorize
x^2+2-3/x^2
Thzzz
Fact quadratic polynomials20點
2013-10-14 4:14 am
回答 (1)
2013-10-14 9:52 am
✔ 最佳答案
x^2+2-3/x^2
= x² + 2 - 3/x²
= (1/x²)(x⁴ + 2x² - 3)
1 3
1 1
= (1/x²)(x² + 3)(x² - 1)
= (x² + 3)(1 - 1/x²)
收錄日期: 2021-04-27 20:34:25
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20131013000051KK00232