Integration by substitution

2014-11-10 8:51 pm
Find the following integral using suitable substitutions.

∫(1+x^(-2/3))^(1/2) dx (i.e. ∫sqrt(1+x^(-2/3)) dx)

回答 (1)

2014-11-10 10:43 pm
✔ 最佳答案
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2014-11-10 15:39:46 補充:
可簡化一點:
令v=1+x^(2/3)
dv=2/3 dx/x^(1/3)
故I=3/2 ∫ sqrt(v) dv


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