December 31st, 2013, 02:08 AM  #1 
Newbie Joined: Dec 2013 Posts: 8 Thanks: 0  Integration
Sorry, I have posted wrong equation. My equation is the following and now want to get its integration, so please help me to get its integration:

December 31st, 2013, 04:01 AM  #2 
Math Team Joined: Sep 2007 Posts: 2,409 Thanks: 6  Re: Integration
k is a constant and B is a function of some variable? Then what you need is the fact that the derivative of ln(B), with respect to some variable, is, by the chain rule . Of course, then, the derivative of ln(B') is .

December 31st, 2013, 07:37 AM  #3 
Newbie Joined: Dec 2013 Posts: 8 Thanks: 0  Re: Integration
Here B is function of time t and k is a constant. I got its integration is as follows:

December 31st, 2013, 08:22 AM  #4 
Math Team Joined: Sep 2007 Posts: 2,409 Thanks: 6  Re: Integration
No, the integral of is . . 
December 31st, 2013, 04:07 PM  #5 
Global Moderator Joined: Dec 2006 Posts: 19,059 Thanks: 1619 
Except when the exponent is 1.


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