P petenice Oct 2012 63 0 Houston Oct 28, 2012 #1 I have done this equation numerous times and i keep getting the same answer. Can someone tell me where my mistake is? I keep getting a negative result and it should be positive. Also in step (6) is that how you get the GCD? Thank you. Attachments photo.JPG 125.6 KB Views: 8

I have done this equation numerous times and i keep getting the same answer. Can someone tell me where my mistake is? I keep getting a negative result and it should be positive. Also in step (6) is that how you get the GCD? Thank you.

P phys251 Jun 2012 220 20 Georgia Oct 28, 2012 #2 Uh, no it's not. Your solution is correct. BTW, in step #3, you ought to indicate which pieces you're going to take the derivative of.

Uh, no it's not. Your solution is correct. BTW, in step #3, you ought to indicate which pieces you're going to take the derivative of.

C chiro MHF Helper Sep 2012 6,608 1,263 Australia Oct 28, 2012 #3 Hy petenice. Your answer is not wrong: http://www.wolframalpha.com/input/?i=d%2Fdx+%28+%28-3x+-+4%29%2F%28x%2B2%29^%281%2F2%29%29

Hy petenice. Your answer is not wrong: http://www.wolframalpha.com/input/?i=d%2Fdx+%28+%28-3x+-+4%29%2F%28x%2B2%29^%281%2F2%29%29

P petenice Oct 2012 63 0 Houston Oct 28, 2012 #4 Thank you for help guys, i really appreciate it. Thanks for the link chiro, very useful.