L Lukybear Active Member Joined May 6, 2008 Messages 1,466 Gender Male HSC 2010 Feb 16, 2010 #1 Using non-trig subsitutions.
S shinn Member Joined Mar 13, 2006 Messages 120 Gender Male HSC 2008 Feb 16, 2010 #2 Last edited: Feb 17, 2010
shaon0 ... Joined Mar 26, 2008 Messages 2,023 Location Guess Gender Male HSC 2009 Feb 17, 2010 #3 gurmies said: Lost a "u" in your solution. Click to expand... Where?
x jiim zimbardooo. Joined Jul 10, 2008 Messages 477 Gender Female HSC 2010 Uni Grad 2018 Feb 17, 2010 #4 shaon0 said: Where? Click to expand... 6th line, in the denominator. From the SQRT(x-1) part.
shaon0 ... Joined Mar 26, 2008 Messages 2,023 Location Guess Gender Male HSC 2009 Feb 17, 2010 #5 x jiim said: 6th line, in the denominator. From the SQRT(x-1) part. Click to expand... Didn't that cancel with the 2udu part?
x jiim said: 6th line, in the denominator. From the SQRT(x-1) part. Click to expand... Didn't that cancel with the 2udu part?
madsam God among men Joined Feb 16, 2008 Messages 250 Gender Male HSC 2009 Feb 17, 2010 #6 The man (shaono) raises a good point, when he changed dx to 2udu, and the sqrt (x-1) becomes sqrt (u^2 + 1 -1) = u, the two u's cancel out fool
The man (shaono) raises a good point, when he changed dx to 2udu, and the sqrt (x-1) becomes sqrt (u^2 + 1 -1) = u, the two u's cancel out fool
x jiim zimbardooo. Joined Jul 10, 2008 Messages 477 Gender Female HSC 2010 Uni Grad 2018 Feb 17, 2010 #7 Mmkay, my bad. Sorry guys =\
gurmies Drover Joined Mar 20, 2008 Messages 1,207 Location North Bondi Gender Male HSC 2009 Feb 17, 2010 #8 Nvm, my careless call.
