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Originally Posted by Krizalid Find
expanding the integrand we get
Completing the square
using the trig sub
Rock on. I hope there is a better way to do this one. LOL.
Originally Posted by TheEmptySet Rock on. I hope there is a better way to do this one. LOL. Yeah, I'll post another solution later.
Anyway that's the answer.
Note that the calculation of the integral equals to compute the area of a semicircle whose radius is Besides which is a Riemann sum.
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