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  1. M

    Physics, Chemistry and Biology: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Chemistry%20(0620)/0620_w09_qp_11.pdf Question 13. Why is the answer D?
  2. M

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Chemistry%20(0620)/0620_s08_qp_1.pdf Question 19. The answer is D but I don't know why...
  3. M

    Physics, Chemistry and Biology: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Chemistry%20(0620)/0620_s08_qp_1.pdf Question 19. The answer is supposed to be D, but I don't understand why.
  4. M

    Mathematics: Post your doubts here!

    right, do you know about LSF and VSF? its a long story, but (length/length)^3 = volume/volume in the question it says mass, which is proportional to volume so (2/6)^3 = 4/x there you go.
  5. M

    Mathematics: Post your doubts here!

    so the second one is gf(x) ?
  6. M

    Mathematics: Post your doubts here!

    okay, shear factor formula and matrix? stretch factor formula and matrix? if you have f(x) = 2-x and g(x) = 3x+4 will fg(x) = 2-(3x-4) or will fg(x) = 3(2-x) - 4 ??? confused.
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