What did I do Wrong with this integration by u-sub.

jeudi 10 juillet 2014

1. The problem statement, all variables and given/known data



∫x^2(a^2-x^2)^.5 limits from 0 to a

2. Relevant equations



∫x^2(a^2-x^2)^.5 limits from 0 to a



3. The attempt at a solution



It's way to much for me to type in the short amount of time I have so I included a picture of my work. It's neat and easy to read.



the answer should be (PI/16)*a^4




Attached Images





File Type: jpg SCAN0085.jpg (73.4 KB)







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