May 5th, 2016, 05:43 AM  #1 
Newbie Joined: Mar 2016 From: India Posts: 14 Thanks: 0  Integration Simplification
Can you please simplify and help me out for this Answer Integration of {(4x1)* square root of(2x^2 x + 1)} Question in verbally: integration of four ex minus 1 into square root of two ex square minus x plus 1.. Last edited by skipjack; May 5th, 2016 at 07:53 AM. 
May 5th, 2016, 07:15 AM  #2 
Math Team Joined: Jul 2011 From: Texas Posts: 3,002 Thanks: 1587 
note that the derivative of $2x^2x+1$ is $4x1$ ... I recommend using integration by substitution with $u=2x^2x+1$

May 9th, 2016, 10:45 PM  #3 
Newbie Joined: Mar 2016 From: India Posts: 14 Thanks: 0 
Thank you very much sir... I understood.
Last edited by skipjack; May 10th, 2016 at 05:40 PM. 

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