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 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 {(4x-1)* 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: 2,838 Thanks: 1481 note that the derivative of $2x^2-x+1$ is $4x-1$ ... I recommend using integration by substitution with $u=2x^2-x+1$
 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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