May 7th, 2014, 12:57 AM  #1 
Senior Member Joined: Nov 2013 Posts: 434 Thanks: 8  integral abs (x) from 2 to2
integral abs (x) from 2 to2

May 7th, 2014, 04:56 AM  #2 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,681 Thanks: 2659 Math Focus: Mainly analysis and algebra 
$$\int_{2}^{2} xdx = 2\int_0^2 x dx = \left. x^2 \right_0^2 = 4$$


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abs, integral, to2 
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