x² 9- dx 2.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.7: Problem Solving: Consecutive Integers
Problem 10MRE
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Using trig sub. 

integral of x^2/sqrt 9-x^2.

the answer my teacher has is 9/2arcsin(x/3)-1/2x sqrt 9-x^2+C. 

I am mostly confused on the second half of the solution. Why is it 1/2x sqrt 9-x^2? 

dx
9-x2
Transcribed Image Text:dx 9-x2
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