M mark New member Joined Feb 28, 2006 Messages 43 Apr 7, 2006 #1 intergral (4sqrt(x))/(6+x) dx i cant figure out how to do this problem, i tried using intergration by parts but it didnt lead me anywere[/list]
intergral (4sqrt(x))/(6+x) dx i cant figure out how to do this problem, i tried using intergration by parts but it didnt lead me anywere[/list]
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Apr 7, 2006 #2 Parts? Try \(\displaystyle \L\,u\,=\,\sqrt{x}\). This should lead to a nice rational expression that you can split apart - remember polynomial division? There's a tangent substitution in your future.
Parts? Try \(\displaystyle \L\,u\,=\,\sqrt{x}\). This should lead to a nice rational expression that you can split apart - remember polynomial division? There's a tangent substitution in your future.