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Integrate the following functions w.r.t. x : (logx)ax

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Question

Integrate the following functions w.r.t. x : `(logx)^n/x`

Sum
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Solution

Let I = `int (logx)^n/x.dx`

Put log x = t.

∴ `(1)/x.dx = dt`

∴ I = `int t^n dt`

= `(t^(n + 1))/(n + 1) + c`

= `(1)/(n + 1).(logx)^(n + 1) + c`.

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Chapter 3: Indefinite Integration - Exercise 3.2 (A) [Page 110]

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