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  1. IR

    General Thoughts: Mathematics Extension 2

    Dw my friends did the same. Did anyone else use alternate segment theorems and vertically opposite angles and angle in semicircle? How do you think you went emilios?
  2. IR

    General Thoughts: Mathematics Extension 2

    Dude I am happy this was the case. I suck hard at prob.
  3. IR

    General Thoughts: Mathematics Extension 2

    Latex please.
  4. IR

    General Thoughts: Mathematics Extension 2

    So for the conical pendulum question with toy plane, for the third part did you guys differentiation sin(x)/cos^2(x) or did you guys differentiate the velocity counterpart in respect to d(sin(x)/cos^2(x))/dv?
  5. IR

    General Thoughts: Mathematics Extension 2

    nice bro. u can get this ez
  6. IR

    E4 cut off?

    E4 cutoff is the non aligned/scaled mark to get the 90 above.
  7. IR

    General Thoughts: Mathematics Extension 2

    Same i had like 40 mins to do the circle geo question which was the only one left.. But not sure if got it right :(
  8. IR

    General Thoughts: Mathematics Extension 2

    Dude you aced it. What school do you go to? I wish my brain didnt freeze during multiple choice but I guess it was just the trick of the eye, that I saw the wrong sign.
  9. IR

    General Thoughts: Mathematics Extension 2

    Anyway there go my dreams of 98 :(
  10. IR

    General Thoughts: Mathematics Extension 2

    Thats it you da man. We are so similar. My best is 93/100 and my worst is 88/100. Hey guys please post up a proof to circle geo ii) I donno why but some people use angle in semicircle and then used vertically opposite to prove straight line. But that seemed to simple.
  11. IR

    General Thoughts: Mathematics Extension 2

    SO BTW GUYS HOW DO YOU RECKON YOU WENT OVERALL? /100. The WORST POSSIBLE AND THE HIGHEST POSSIBLE AND THE EXPECTED POSSIBLE?
  12. IR

    General Thoughts: Mathematics Extension 2

    Whe is my rep bro?
  13. IR

    General Thoughts: Mathematics Extension 2

    Yes I was literally crying with happiness during the test and then after the test I was raging cos of my stupid eyes that couldnt see a freaking minus and my freaking brain who didnt think of using quadratic formula for the conical pendulum question till the fcking last minute,
  14. IR

    Section I: Multiple Choice

    How'd u get A? It just can be A because if f(x) is even then A=0 and if f(x) is odd, then the original question is zero.
  15. IR

    General Thoughts: Mathematics Extension 2

    Yes. That. I instead did let x=E^u and then use integration by parts and u get the answer.
  16. IR

    MX2 Solutions

    Terry Lee or carrot.
  17. IR

    Section I: Multiple Choice

    Fcking hell. WTF, I though B said f(x)+ F(a-x). But not sad to lose those two marks, because they were pree careless. But still a bit said- fcking why am I blind- Can someone tell me?
  18. IR

    Section I: Multiple Choice

    Isnt 7) B fcking 8. So simple, misread the options and wrote A. Fcking 10, i got wring.
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