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omg how ironic... I JUST DID THIS QUESTION Question 20 show that xn(1 + x)n(1 + 1/x)n = (1+x)2n hence prove that 1 + nC12+ nC22+ ... + nCn2 = + 2nCn Q21 <b>FOR 3unit People ONLY</b> no 4unit ppl solve it please.

didnt a few ppl get 99

eeekk 90 for me...:(

Question 15 A fair, six-sided die is thrown seven times. What is the probability that a '6' occurs on exactly 2 of the 7 throws? Q16 Fred has three uniform tetrahedra (triangular pyramids). Each of these tetrahedra has one face black, one face white, one face red and one face green...

the test was just different theres gonna be a wide range of marks... very scattered.

Geoff Gaha ?? anyone can you please post the solution, so i can see about how much i got...

Questions i couldn't do: 4c ii. show e of elips is at least 1/sqrt(2) 5b ii in how many different ways could the outcome of this competition be recorded i didnt even understand this. c, i (no idea - never seen it represented like this before) 6a. ii i have an idea but i...

omg me too can anyone tutor me tomorrow morning... 6-9 am?

how do you think this exam compared to other years?

i hope its difficault... but not super harder 3unit those fucking inequalities (not the nice prove a^2 + b^2 >=2ab) take up so much time.

conics.. the best topic ever!!!! i wish i did the HSC last year.

oh 2pi/w that gay thing oopsie..

A body of mass 0.5kg is suspended from a fixed point O by means of a light rod of leng 1m. the mass is rotated in a horizontal circle at a constant speed and the rod makes an angle of 30* with the downward direction of the virtical ... g = 9.8ms^-2 iv) find the period of the motion. ?????

its because she got 1 and 2 mixed up was ment to write extension 2, HSC - 2002

this is 4unit? Question 4B A ball is thrown from a point P with velocity V. at an inclination of a degrees to the horisontal and reaches a point Q after t seconds. Show that if PQ is inclined at @ to the horizontal (where a > @), then the direction of motion of the ball, when...

that Teapot was probably one of the easiest questions (well with sufficient explanation) in that paper.

i did the 2004 one recently... and man it was so bad i was dying ... its like lacking much needed explanation in their ever so creative questions... you guys can have a go... it can be found at Mr. Buchanan's website: http://www.geocities.com/fourunitmaths/pymbleladies2004.pdf

yea, well until then... just stop saying ur so good.. there are alot of people that are very good.. eg. Kfunk. with ur last years 3unit mark, i wouldnt talk myself up to be top of the state material.

posponed to when? cant be after the hsc ends because people would have made plans etc... do you really want english DAY AFTER EXT 2 MATHS? or osmething? this is a good time for it... either its cancelled or goes as planned...

Q13 Q14. By using the substitution u = lnx or otherwize, Integrate : 1/(xlnx) dx