can anyone help simplify sqrt{2x^9v^4}sqrt{8xv^3} ?
回答 (2)
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)
2015-12-17 11:54 pm
√(2x^9v^4)√(8xv^3)
= 4 v^(7/2)x^5
= 4 v^(7/2)x^5
收錄日期: 2021-04-21 15:50:08
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https://hk.answers.yahoo.com/question/index?qid=20151217154620AArIWXi