how to factorize 2x^n+1 - 5x^n - 3^n-1 ?
要steps, thx~
how to factorize 2x^n+1 - 5x^n - 3^n-1 ?
2007-04-02 2:12 am
回答 (2)
2007-04-02 2:49 am
✔ 最佳答案
請問各下有沒有打少了一個x, 應該是2x^n+1 - 5x^n - 3x^n-1 不是 2x^n+1 - 5x^n - 3^n-1如果是2x^n+1 - 5x^n - 3x^n-1 ,答案是x^(n-1)(2x+1)(x-3)
如果是2x^n+1 - 5x^n - 3^n-1 , 則不能計算.
2007-04-02 2:21 am
2x^n+1 - 5x^n - 3^n - 1
= x^n-1 (2x^2 - 5x - 3)
= x^n-1 (2x + 1) (x - 3)
= x^n-1 (2x^2 - 5x - 3)
= x^n-1 (2x + 1) (x - 3)
收錄日期: 2021-04-12 18:51:47
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