## Class/Course - Class XII

### Subject - Math

#### Chapter - Definite Integration and Area under the curve

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 Dear User, Kindly login/register to view answer & explanation of each question. Click here to Login/Sign Up. Q.1 The follwing integral $\int_{\frac{\pi}{2}}^{\frac{\pi}{2}}\left (2cosec x \right )^{17}dx$ is equal to $\int_{0}^{log\left (1 + \sqrt{2} \right )}2\left (e^{u} + e^{-u} \right )^{16}du$ $\int_{0}^{log\left (1 + \sqrt{2} \right )}2\left (e^{u} + e^{-u} \right )^{17}du$ $\int_{0}^{log\left (1 + \sqrt{2} \right )}2\left (e^{u} - e^{-u} \right )^{17}du$ $\int_{0}^{log\left (1 + \sqrt{2} \right )}2\left (e^{u} - e^{-u} \right )^{16}du$