can anyone help simplify sqrt{2x^9v^4}sqrt{8xv^3} ?

[匿名]

2015-12-17 11:46 pm

回答 (2)

The Gnostic

2015-12-17 11:54 pm

✔ 最佳答案

√(2(x^9)(v^4) × √(8xv³) = (√2)(x^4)(√x)(v²)(2)(√2)(√x)(v)(√v) = 4(x^5)(v³)(√v)

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sepia

2015-12-17 11:54 pm

√(2x^9v^4)√(8xv^3)
= 4 v^(7/2)x^5

參考: https://www.wolframalpha.com/input/?i=sqrt%7B2x%5E9v%5E4%7Dsqrt%7B8xv%5E3%7D+

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