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Qube

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## Homework Statement

http://i.minus.com/j5qAhbyrxc1jX.jpg

## Homework Equations

∫1/x dx = ln(x)

## The Attempt at a Solution

Can you guys check my work? I got the solution above and I've been pounding my head against the wall for the last two hours as to why that solution, according to my book, is incorrect.

The solution, according to the book, is

(1/3)ln(ln(x)) + c

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