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Integral Calculus

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 Joined: 15 Sep 2011 Post: 17
17 Sep 2011 20:48:11 IST
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Integrate e^x/x dx
Engineering Entrance , JEE Main , JEE Main & Advanced , Mathematics , Integral Calculus

Integrate e^x/x dx

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22 Sep 2011 14:09:12 IST
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take e^x as second and 1/x as first function as per the rule ilate and then apply by parts if satisfied then reply

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23 Sep 2011 14:42:20 IST
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Same thing will repeat at some point of time after applying ilate, and if u don't think so then do yourself

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25 Sep 2011 11:37:20 IST
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Break e^x in series.

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25 Sep 2011 12:40:04 IST
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When the integral of e^x/x repeats, you take it as I and bring it to the other side. What you get is :2I = e^x/x - logx.e^xDivide by 2I = 1/2 (e^x/x - logx.e^x)

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25 Sep 2011 20:47:36 IST
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Simply, tell me the function whose differentiation is e^x/x

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4 Apr 2012 21:22:04 IST
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It is non-integrable. In fact it is used in the name of exponential integral in engineering mathematics.

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4 Apr 2012 22:31:49 IST
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himanshu just open the formula of e^x and divide it by x and then integrate it

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