Mathematics

Mathematics

Problem

∫cos⁡−1(1x)dx\int \cos^{-1} \left( \frac{1}{x} \right) dx (a) xsec⁡−1x+cosh⁡−1x+Cx \sec^{-1} x + \cosh^{-1} x + C (b) xsec⁡−1x−cosh⁡−1x+Cx \sec^{-1} x - \cosh^{-1} x + C (c) xsec⁡−1x−sin⁡−1x+Cx \sec^{-1} x - \sin^{-1} x + C (d) None of these (a) xsec⁡−1x+cosh⁡−1x+Cx \sec^{-1} x + \cosh^{-1} x + C (b) xsec⁡−1x−cosh⁡−1x+Cx \sec^{-1} x - \cosh^{-1} x + C (c) xsec⁡−1x−sin⁡−1x+Cx \sec^{-1} x - \sin^{-1} x + C (d) None of these

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