1.\int \frac{\sqrt{x^2 - a^2}}{x} dx =a.\sqrt{x^2 - a^2} - a\cos^{-1}(a/x) + cb.x\sqrt{x^2 - a^2} - \frac1a\tan^{-1}(x/a) + cc.\sqrt{x^2 - a^2} + a\cos^{-1}(x/a) + cd.\sqrt{x^2 - a^2} + \frac1x\sec^{-1}(x) + cLogin to continueOnly logged in users canattempt or see the solution.
