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May 22, 2015

Homework Help: Integral calculus

Posted by Tommy on Friday, April 20, 2012 at 10:33pm.

Yesterday I posted this number that I don't understand. There was a mistake in the question,this is the right one:

∫ (5^(3/x) - (x^8 + 9)^1/3 ) / 3x^2

will u, for sub. be = x^8 + 9?
Then du is = 8x^7 dx
x^7 dx = 1/8 du

Thank you!

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