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Evaluate:`int(e^x(2-x^2)dx)/((1-x)sqrt(1-x^2))` |
Answer» Correct Answer - `e^(x)sqrt((1+x)/(1-x))+C` `int (e^(x)(2-x^(2)))/((1-x)sqrt(1-x^(2)))dx=int(e^(x)(1-x^(2)+1))/((1-x)sqrt(1-x^(2)))dx` `=int e^(x)[((1-x^(2)))/((1-x)sqrt(1-x^(2)))+(1)/((1-x)sqrt(1-x^(2)))]dx` `=int e^(x)[(1+x)/(sqrt(1-x^(2)))+(1)/((1-x)sqrt(1-x^(2)))]dx` `=int e^(x)[sqrt((1+x)/(1-x))+(d)/(dx)(sqrt((1+x)/(1-x)))]dx` `=e^(x)sqrt((1+x)/(1-x))+C` |
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