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February 28, 2015

February 28, 2015

Posted by **Bob** on Tuesday, April 16, 2013 at 10:08pm.

x/x^2+1 dx = ?

if you could show steps that would be great thanks

- Calculus -
**Bob**, Tuesday, April 16, 2013 at 10:10pmactually theres an integral sign. at the top of the sign theres a 3. At the bottom of it, theres a 2.

- Calculus -
**Reiny**, Tuesday, April 16, 2013 at 10:25pmYou can type it this way:

∫(x/(x^2 + 1)) dx for x= 2 to 3

which is

[ (1/2) ln (x^2 + 1) ] from 2 to 3

= (1/2) ( ln 10 - ln 5)

or

(ln10 - ln5)/2

or

ln (10/5) / 2

= (1/2) ln 2

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