i need help with these integrals
1. integral from 0 to infinity e^(-ax) cosbx dx
2. integral from 0 to 1 1/sqrt(x(1-x^2))
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I'm not sure, beacause I didn't did it, but I have an idea for the second. Let then you will obtain then by parts will be easy but rather long
For the first, use integration by parts twice.
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