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ok this question has got to be one of the weirdest conics question, i normally always get them but this is wtf. i know i must have a wrong method cause the question is only worth 3 marks... P(a cos @, b sin @) is a point on the ellipse [insert generic equation]. PQ is a diameter of the ellipse...

What are people averaging for ext 2 and ext 1? personally; e1- 81/84 (give or take 2) e2- 104/120 (wish i did a bit better)

Hey guys there just this question that ive been having trouble getting my head around. I can do part i), but part ii) i cant seem to do without fudging it and its probably wrong. Q8.C)ii) The number e is given by the value of the limiting sum e=1+1+1/2!+1/3!+...... i) If n is a positive...

can some one explain it to me? A box contains n jellybeans, some white and some black. Anne and Bruce take turns picking a jellybean from the box without looking until the box is empty. Anne picks first. (i) If there are 1 black and n-1 white jellybeans and n is odd, find the probability that...

there was this question in an exam paper, could some one explain it for me. (thanks in advance) Q. Explain the fallacy in the following argument: -1= sqrt(-1) . sqrt(-1) = sqrt ((-1)(-1)) = sqrt (1) = 1. Hence 1 = -1 2 marks. oh and it is 4 unit