Math Question. With Solution. Thanks?

[匿名]

2016-02-03 2:37 am

回答 (2)

螞蟻雄兵

2016-02-03 4:17 am

✔ 最佳答案

Sol
∫4x/(x^2+1)dx
=2∫1/(x^2+1)dx^2
=2∫1/(x^2+1)d(x^2+2)
=2ln(x^2+1)+c
(B)

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Berm

2016-02-03 7:41 am

∫ 4x/(x²+1) dx

= 2 ln(x²+1) + C

Answer (B)

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收錄日期: 2021-04-18 14:22:41
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