try to factorize x^6-x^4
係factorize，唔係simplify
F.3 maths factorization
2009-07-11 12:24 am
回答 (3)
2009-07-11 12:38 am
✔ 最佳答案
個答案應該係咁:x^6 - x^4
= (x^3)^2 - (x^2)2
= (x^3 + x^2) (x^3 - x^2)
用左identity : a^2 - b^2
希望可以幫到你 如果以後有類似既題目, 我好樂意幫你
2009-07-13 8:32 am
其實兩個答案都岩 雖然唔知點解 但兩個anw expand左之後都係
x^4 - x^6 thx
x^4 - x^6 thx
2009-07-11 12:30 am
x6 - x4
=x4(x2 - 1)
=x4(x + 1)(x - 1)
=x4(x2 - 1)
=x4(x + 1)(x - 1)
收錄日期: 2021-04-23 23:19:51
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