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  1. i_try9621

    Mathematics: Post your doubts here!

    Doubt in iv) . It's from http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_qp_43.pdf
  2. i_try9621

    haha sure :)

    haha sure :)
  3. i_try9621

    Mathematics: Post your doubts here!

    ohhh! thanks for that :)
  4. i_try9621

    Mathematics: Post your doubts here!

    Doubt in 4(iv)
  5. i_try9621

    Mathematics: Post your doubts here!

    In 6(ii) why is the whole graph shaded if the time limit is 20 < t < 26?
  6. i_try9621

    Mathematics: Post your doubts here!

    Doubt in 6(ii) and 6(iii) . It's from http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s13_qp_42.pdf
  7. i_try9621

    Mathematics: Post your doubts here!

    just a quick question , is it accelerating or decelerating ?
  8. i_try9621

    Mathematics: Post your doubts here!

    extend the whole equation like this: 1^5 + 5C1 x (x + 3x^2) + ...... + 5C4 x (x + 3x^2)^4 + 5C5 x (x + 3x^2)^5 5C4 gives you 5 and 5C5 gives you just 1 . you will only get the coefficient of x^8 from the last two. Therefore, (5 x 81) + ( 1 x 270) = 675 which is the coefficient of x^8
  9. i_try9621

    help with a level text books

    Cambridge International AS and A Level Chemistry Coursebook [CD-ROM] : http://www.gceguide.com/Books/cdrsrom/Chemistry%20(A%20Levels%20CD-ROM).rar Cambridge International AS and A Level Chemistry Coursebook 2nd edition ...
  10. i_try9621

    Mathematics: Post your doubts here!

    Ques. 7 and Ques. 14 please?
  11. i_try9621

    Mathematics: Post your doubts here!

    yeah right, my bad.
  12. i_try9621

    Mathematics: Post your doubts here!

    Anytime :)
  13. i_try9621

    Mathematics: Post your doubts here!

    Ans. is 0.457 or 0.46 ( 2.d.p) there is a mistake while dividing.
  14. i_try9621

    Mathematics: Post your doubts here!

    Shouldn't it be only π/6, because of the range given in the question ( 0 < θ < π) ? Or am I missing something ?
  15. i_try9621

    Mathematics: Post your doubts here!

    How to solve 9 b) ?
  16. i_try9621

    Physics: Post your doubts here!

    Thanks for that! :)
  17. i_try9621

    Physics: Post your doubts here!

    Might be a stupid question, but still need help with this one. The confusion is how exactly are we supposed to find a best estimate in such cases . The answer's "B" http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s05_qp_1.pdf
  18. i_try9621

    Physics: Post your doubts here!

    Got it! Thanks :)
  19. i_try9621

    all cie full textbooks available in pdf format

    will you ever upload the books?
  20. i_try9621

    Mathematics: Post your doubts here!

    For 5) i) , in the markscheme the highlighted part is my doubt. Shouldn't it be just "h" ?
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