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But the mark would be different if you get 1st internal, beating 2nd by 20% with a top external mark of 90 as opposed to a 1st internal beating 2nd by 1% with a top external mark of 90 right?

omg... im such a idiot. I check the answers against the equation and i thought it was right as well... Such silly mistakes...

If thread dosent mind me asking, where was this question from? Which text book?

If f(x) = ax^2 + bx + c , find a,b,c so that f(1)=0, f(-1) = 0, f(-2) = 15 Ive got a=5, b=0, and c=-5. The answers were different tho, yet still right. a=2, b=-3 and c=1. Im interested in why thats the case, and would HSC present such a question?

His gona beat you to a inch of your life and then piss on your grave. Wtf do you think his gona do?

Ah, I see. Thats very simple concepts applied. Very very good. Hopefully one day ill reach you levels of thinking.

How would you take the discriminant lolokay?

OO... I get it. By completing the square, its saying that it cant be negative. I c...

Wouldnt it be possible to not complete the square and just state the conclusion??

ahh thxs thxs. My school still isnt up to that yet.

thxs

I dont think so. Our prelim course has only done up to basic trig i.e. 1+tan^2x=sec^2x Also; how do you do this? sqrt3cotx+1=cosecx

Also sin2x=cosx. Ive never dont that as well, how are we suppose to do it?

Is there a rule for that?? I dont get it??

How do you find tan105 as a exact value? Please some1 tell me.

^^ +/-sqrt13?

HAHAHAHAHA!!! wogs...

Dam fetishes!

Yea me too. But im bogged down by heaps of assignments. :(

We shall see at the very end. Care for illegal gambling?