Hello, I am trying to integrate the following using "u-substitution", however I am not getting the correct result. Can someone please advise where I am going wrong.(adsbygoogle = window.adsbygoogle || []).push({});

The following is my attempt:

x(x-1)^3

u = x-1

du/dx = 1

du/1 = dx

x(u)^4 / 4

My final (incorrect) answer.

x(x-1)^4 / 4

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# Integration problem

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