Integration

2006-11-02 7:07 pm
Please help me integrate this equation:
Int {(3x)/[(x^2)+4]}

Any method will do, thanks.

回答 (1)

2006-11-02 7:27 pm
✔ 最佳答案
Int {(3x)/[(x^2)+4]} d(x)
= Int {(3/2)/[(x^2)+4]} d[(x^2) + 4]
= (3/2) ln [(x^2)+4]


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