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  1. V

    Worst topic?

    Motors nd generators is a pain....
  2. V

    Can they only count 3 subjects?

    So I'm doing Extension 2 English, Extension 2 Mathematics, Physics and Chemistry. Can they only count 3 of my subjects (ie. English, Mathematics and Physics)?
  3. V

    Locus

    A circle passing though the origin O is tangent to the hyperbola xy = 1 at A , and intersects the hyperbola again at 2 distinct points B and C . Prove OA is perpendicular to BC
  4. V

    Locus question

    A circle passing though the origin O is tangent to the hyperbola xy = 1 at A , and intersects the hyperbola again at 2 distinct points B and C . Prove OA is perpendicular to BC
  5. V

    Integrtion question

    Hey wen u have the integration from a-(-a) of a function thats=zero if the function is even and twice the integration of the fuction from 0-a if its odd? IS tht right or is it the opp. way around??
  7. V

    Curve sketching

    Hey wen they ask you to sketch f(x)^2 or 1/f(x) or.... do u have to sketch the original f(x) witht he function so tht u can compare the 2??
  8. V

    Curve sketching

    Hey wen sktching the absolute value of sin(x) for example is it sharp pts at intercepts or tp.. same q. fir f(x)^2
  9. V

    Integration q.

    Hey does any1 have any idea of how to integrate: 1/(1+cos^2x) without the use of the t formulae...
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