求解 (3√(x^2-64))(x^2+12x-64)?
回答 (1)
2016-10-16 1:35 am
(3√(x^2-64))(x^2+12x-64)
=3(x-4)(x+16)√[(x-8)(x+8)]
=3(x-4)(x+16)√[(x-8)(x+8)]
收錄日期: 2021-04-18 15:38:33
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