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Re: MX2 Integration Marathon 1.

Re: MX2 Integration Marathon does it really matter lol :p

Re: MX2 Integration Marathon this is what I got but that's one handy trick :)

Re: MX2 Integration Marathon Question 2 (i) and Question 3 (not sure if they're correct). I'll work out Q2(ii) tomorrow, need to go sleep, brain hurts :( Where do you get your questions from...

Re: MX2 Integration Marathon first one done :), working on the the next 2 atm

Re: MX2 Integration Marathon I'll give it a go but i just learnt integration :( na no where near as good as you to get state rank

Re: MX2 Integration Marathon oh ya u can just flip the derivative* LOL silly me strong derp/10

Re: MX2 Integration Marathon well when you manipulate dtheta in terms of dt that requires deriving inverse tan

Re: MX2 Integration Marathon maybe she hasnt learnt inverse trig yet

Re: MX2 Integration Marathon Similar idea as the previous one :p

Re: MX2 Integration Marathon ln(2)

Re: MX2 Integration Marathon Just learnt integration by parts today, man that's some grueling algebra haha :p.

Re: MX2 Integration Marathon Finally, I managed to get this one out, which reminds me of a similar u-sub question you posted in the 2013 3u marathon :p

Re: HSC 2014 4U Marathon sigh........, hopefully i got the u_k expression correct. Any tips on the next part?

Re: HSC 2014 4U Marathon I think my U(k) expression is wrong, but I couldn't get the RHS result :( The expression I obtained looked like taylor's series expansion of e

Thanks for a very informative seminar carrot, you should host more in the future! :)

Re: HSC 2014 4U Marathon Oh... I common denominated. Shouldn't the inequality read < since A,B,C,D >0

Re: HSC 2014 4U Marathon Not sure about my inequality result, but I think my solution is wrong :(

Re: HSC 2014 4U Marathon Can you share your result, Idk what I'm doing wrong :(

Re: HSC 2014 4U Marathon I can develop some of the basic inequality results that come up in harder 3u but some of those inequality proofs posted previously, absolutely no clue :p