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log x) dx |
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Answer» t=log xx= e^tdx=e^tdttherefore ,integral t^2e^tdtthat is by integration by parts ,(i am denoting integral byI)t2et-I2te^tdtt^2e^t-2te^t+I2e^t dtt^2e^t- 2te^t+ 2e^t+cxlogx^2-2xlogx + 2x+c |
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