8 845753sghs34524 New Member Joined Jun 29, 2007 Messages 7 Gender Female HSC 2008 Dec 2, 2007 #1 hey guys, how would you do this? i know differentiating to logs other than base e but i can't do integration! Thanks everyone!
hey guys, how would you do this? i know differentiating to logs other than base e but i can't do integration! Thanks everyone!
PC Member Joined Aug 19, 2004 Messages 639 Location Sydney Gender Undisclosed HSC N/A Dec 2, 2007 #2 845753sghs34524 said: hey guys, how would you do this? i know differentiating to logs other than base e but i can't do integration! Thanks everyone! Click to expand... Use a change of base rule to change it into a natural log. Then you can use an identity to do the integrating. I think its ∫ ln x dx = x ln x – x + C
845753sghs34524 said: hey guys, how would you do this? i know differentiating to logs other than base e but i can't do integration! Thanks everyone! Click to expand... Use a change of base rule to change it into a natural log. Then you can use an identity to do the integrating. I think its ∫ ln x dx = x ln x – x + C
C conman Member Joined May 2, 2005 Messages 139 Location West of Sydney Gender Male HSC 2007 Dec 9, 2007 #3 845753sghs34524 said: hey guys, how would you do this? i know differentiating to logs other than base e but i can't do integration! Thanks everyone! Click to expand... u have to convert it into eloge form and then integrate it normally.
845753sghs34524 said: hey guys, how would you do this? i know differentiating to logs other than base e but i can't do integration! Thanks everyone! Click to expand... u have to convert it into eloge form and then integrate it normally.
F Forbidden. Banned Joined Feb 28, 2006 Messages 4,436 Location Deep trenches of burning HELL Gender Male HSC 2007 Dec 10, 2007 #4 PC said: Use a change of base rule to change it into a natural log. Then you can use an identity to do the integrating. I think its ∫ ln x dx = x ln x – x + C Click to expand... That's in the 2U course ? Last edited: Dec 10, 2007
PC said: Use a change of base rule to change it into a natural log. Then you can use an identity to do the integrating. I think its ∫ ln x dx = x ln x – x + C Click to expand... That's in the 2U course ?