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निम्न फलनों के मान ज्ञात कीजिये - `int(e^(x))/(1+e)^(x)dx` |
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Answer» माना `I = int (e^(x))/(1+e^(x)) dx` माना `1+e^(x) = t " " therefore" "e^(x) dx = dt` अतः ` I = int (dt)/(t) = log t` `therefore " " I = log (1 + e^(x))` |
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