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#1 2007-09-18 13:03:38

mathminor88
Member
Registered: 2007-09-16
Posts: 12

another integration problem

i think the proper way to solve this is using integration by parts, i've tried letting u=x, and dv=1/e^x but no prevail

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#2 2007-09-18 14:21:45

bossk171
Member
Registered: 2007-07-16
Posts: 305

Re: another integration problem

Really? Your method works just fine for me. Where are you getting stuck?


There are 10 types of people in the world, those who understand binary, those who don't, and those who can use induction.

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#3 2007-09-18 14:59:21

mathminor88
Member
Registered: 2007-09-16
Posts: 12

Re: another integration problem

I just realized that the answer my TI-89 was giving me is the same thing I was getting, just in a different form roll


Therefore

Therefore

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#4 2007-09-19 06:43:48

bossk171
Member
Registered: 2007-07-16
Posts: 305

Re: another integration problem

Not to sound like a teacher (I'm most definitely not one) But my rule of thumb is not to let a calc to the work unless I already know how.

In other words, I make a point not to be stupid, but I have no issues with being lazy.


There are 10 types of people in the world, those who understand binary, those who don't, and those who can use induction.

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