in Integrating $\cfrac{(25-x^2)^{1/2}}{x}...$ using $ x=5\sin(u)$
I get: $-5\ln|(5/x((25-x^{2})^{1/2})/(x)$
book gets $+5\ln( 5/x -((25-x^{2})^{1/2})/x$
both graph to the same curve... but am having trouble seeing how to convert my answer to the book answer. see delta's +/-
thanks