Math Question. With full solution. Thanks?
回答 (1)
2016-02-01 2:32 pm
✔ 最佳答案
∫ (x + 1)/(x + 2) dx= ∫ (x + 2 - 1)/(x + 2) dx
= ∫ [(x + 2)/(x + 2) - 1/(x + 2)] dx
= ∫ dx - ∫ 1/(x + 2) dx
= x - ln |x + 2| + C
∴ B. x - ln |x + 2| + C
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