[EMAIL PROTECTED] wrote:
My copy of Schaums (1968, printing 4) shows
14:334:
int(1/(x*sqrt(x^n-a^n)),x) == 2/(n*sqrt(a^n))*acos(sqrt(a^n/x^n))
It seems this cannot be the answers.
Can someone with a later version please check for a typo?
Tim
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My schaums shows that answer.
also usind Maxima to do the derivative I get the LHS.
(%i5) diff(2/(n*sqrt(a^n))*acos(sqrt(a^n/x^n)),x);
(%o5) (a^n*x^(-n-1))/(sqrt(a^n)*sqrt(a^n/x^n)*sqrt(1-a^n/x^n))
(%i6) radcan(%);
(%o6) 1/(x*sqrt(x^n-a^n))
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