i keep getting 2ln|(x/2)-(sqrt(x^2-4)/2)|+c but the the correct answer isnt divided by two inside the ln.

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- Feb 28th 2010, 09:06 PMcmm1863integral 2/sqrt(x^2-4)
i keep getting 2ln|(x/2)-(sqrt(x^2-4)/2)|+c but the the correct answer isnt divided by two inside the ln.

- Feb 28th 2010, 10:09 PMCaptainBlack
See what WolframAlpha does (though you may want to put absolute values in the logs):

http://www.mathhelpforum.com/math-he...1&d=1267423722 - Feb 28th 2010, 10:13 PMCaptainBlack