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`(e^(tan^(-1))x)/(1+x^(2))` |
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Answer» `int(e^(tan^(-1))x)/(1+x^(2))" माना "tan^(-1)x=t` `=inte^(t)dt" "rArr (1)/(1+x^(2))dx=dt` `=e^(t)+c=e^(tan^(-1)x)+c` |
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