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  1. K

    How was your math paper 33?

    and who sat for mechanics paper 53 ? =)
  2. K

    Anyone sat for Further Maths paper 12?

    yes, we have to use that formula. But instead, for S3 I used this one: S3 = (sum(alpha)) ^3 - 3sum(alpha)*sum(alpha*beta) + 3sum(alpha*beta*gamma) that's the correct one. I messed up the signs here. I think I should have used the given formula with n = -1, and got the correct answer. Now I am...
  3. K

    How was your math paper 33?

    can you then post the question? I'll recheck that.
  4. K

    Anyone sat for Further Maths paper 12?

    Yes. That was the question I messed up. The part with S3 and S5. used wrong formula for S3. you?
  5. K

    Anyone sat for Further Maths paper 12?

    Oh, btw... maybe somebody knows.. I've run out of paper and had to write questions #10 and #11 on the graph paper... So, I hope it will be checked isn't it? The invigilator said to do like this.
  6. K

    Anyone sat for Further Maths paper 12?

    Although it was not hard, I don't think GT will exceed 83. How was the paper for you? I think I lost about 9 marks... That's bad)
  7. K

    Anyone sat for Further Maths paper 12?

    Share your ideas about the difficulty of the paper, GTs and so on.
  8. K

    How was your math paper 33?

    No problem. 1st question: ln(x+5) = ln(x) + 1
  9. K

    How was your math paper 33?

    Checked the questions with all the useful staff like wolphram alpha and so on) so, if any doubts/questions, ask)
  10. K

    Physics Paper 23

    The same, didn't expect spectrum... although I defined all the names, I hadn't recalled their wavelengths correctly. what about you, guys? A little bit worried about the explanations and accuracy. Do you use 3 s.f. in answers?
  11. K

    How was your math paper 33?

    If needed, the answers: 1) x = 5/(e-1) 2) (a) R = 25, alpha = 16.26 degrees, the answer to (b) is 59.10 degre 3) y = 1/2 (x^2 + 4)^3 4) dy/dx = (2t+3)/ 3. gradient = 2 5) f'(-1/2) = 6e integral = -0.75 6) alpha = -2. beta = 1.67 7) A = 1/24. k = 10 8)p = 9 the point of intersection...
  12. K

    How was your math paper 33?

    the greatest modulus is the farthest point on the circle ( connect the center of the circle and the origin. continue this line to the farthest intersection). Analogously,find the least. As for argument, draw the tangents(two) from the origin to the circle. The points of intersection will have...
  13. K

    A Level Economics:

    hi) I don't know either.. what have you written in the second part?
  14. K

    hi! =)

    hi! =)
    • Kandinsky
    • Profile post comment
  15. K

    ✔--Physics P2: Post your doubts here --✔

    So, even if I have a more accurate answer, I can still lose accuracy marks? Concerning the book, if it is possible, could you please share somehow these rules regarding s.f. ? Thanks)
  16. K

    ✔--Physics P2: Post your doubts here --✔

    Hi) to what number of significant figures should we give answers? For example, if I get 11.25, the answer in marking scheme - 11.3, is it OK? and do you write solutions in details? Thanks =)
  17. K

    Mathematics Paper 43 (Mechanics M1)

    Yeap, 0.85 s.
  18. K

    Mathematics Paper 43 (Mechanics M1)

    It was rather easy =) Even the last part of the last question.
  19. K

    Need a little help with deciding a fourth subject.

    If you are good in Maths, and in addition to that, you have a lot of spare time, take Further Maths. Especially, that would be useful if you are planning to take some math-related course
  20. K

    Need urgent help!

    Hi! To what number of significant figures should I write answers in papers 2 and 4 Physics A-level? And do the examiners deduct the mark if 1) I write 1.10 instead of 1.1 2) I write 1.71 instead of 1.7 ? Thanks in advance!
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