please solve this question

Asked by www1028 | 2nd Sep, 2010, 07:20: PM

Expert Answer:

Put x2 = u, then 2x dx = du or xdx = du/2
∫du/2(u2+1) = (1/2) ∫du/(u2+1) = (1/2) tan-1 u + c  = (1/2) tan-1 x2 + c
 
regards,
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TopperLearning.

Answered by  | 2nd Sep, 2010, 11:18: PM

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