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it should have y. it should be y=ax^2+bx+c, NOT ax^2+bx+c=0 since ax^2+bx+c=0 is NOT a parabola AT ALL (well... one can say that it's a kind of parabola.. it's a matter of interpretation) EDIT: whoops.. I didn't read this line: sorry

ok, since nobody has actually "answered" this Q on the forum, and since tywebb's solution may disappear at any time, your result is true. I[n] + I[n-2] = 1/(n-1) now, replace "n" with "n+2" and you get the required result. To SipSip: there is an axiom we learnt that integra=integral

the 2 magnets arent in the same horizontal plane one is on a raised platform, the other one is on the desk

you need to define S(n) at the very start first. also, you don't need to write "by induction" at the end :P

umm.. I have trouble distinguishing between the two....

ur meant to do calculation and for some reason BOS give lots of space to calculation in case u stuff up and generally, lots of marks too... just look at the calculations and the number of marks for such trivial tasks... (this one is an exception coz its a bit tricky) the quanta to quarks...

this exam was easy IMO if u look at last years' ....

oh.. stupid me... yes its almost definitely C.. I didnt read the Q properly, I thought it increased

I got same as caity except: 6 C (umm random choice.. coz from the quote it doesnt sound that Christians gained insights) 9 A (again random...) 10 D (didnt read the Q properly.. thought the Buddhists increased in number) not sure about 2.. random choice again.. I know its not Presbyterian...

it just requires some understanding of semiconductors :p

I did the same thing.. say that the top was transparent blablabla

I didnt assess it :( tried to write some assessment when they said pens down i got max height as somewhere around 7 m is that right? shud've said its impossible...

6 is D IMO. its like a projectile.. ball drops with constant downwards acceleration train moves with constant horizontal velocity.. from the train its like throwing the ball to the opposite direction note: I havent read the other posts for your arguments btw.. too long :P 12... I put A...

its explained before... you know cos@ will be unique for 0<=@<=180 (first and second quadrants) and for other domains the values of cos@ will just repeat. but I wont bother doing this domain thing.. since its cubic its meant to have 3 solutions so just find 3 values of 3@ and find their...

is that what the official solution says? this is for future students LOL

umm... I do not know... if it says not absolute value in the solution then its not.... if it says absolute value then it is....

Bullshit! I taught the class :mad:

LOL yea.. try other links (note: it has Ruse's 2001-2002 papers though)

it wasnt really wrong strictly speaking it is a modified version of what Thomson did but almost every answer Ive seen do it that way so its ok I guess Thomson actually didnt remove the electric field.. he let the rays go on... to a place where only the magnetic field exists the one in...

the solution in my SuccessOne is Thomson LOL but its the 2004 edition