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  1. ZainH

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s12_ms_12.pdf Q5) ii) Step by step w/ explanation if possible please x)
  2. ZainH

    Mathematics: Post your doubts here!

    I realized my mistake , thank you .
  3. ZainH

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w07_ms_1.pdf Q8)i) I did the first derative but a bit confused about the 2nd one, could someone show me how to do it? I think the MS might be wrong.
  4. ZainH

    Mathematics: Post your doubts here!

    Ah thanks :)
  5. ZainH

    Mathematics: Post your doubts here!

    Not exactly, why are you equating the equation while finding the inverse? This is what I did. To find H inverse Let y = h(x) h(x)= 9-(x-3)^2 h(x)-9= (x-3)^2 *root*h(x)-9= x-3 [*root*h(x)-9]+3 = x H inverse = [*root*h(x)-9]+3 where as yours and the MS's is "9-x" instead of "x-9" EDIT: I...
  6. ZainH

    Mathematics: Post your doubts here!

    The part I highlighted, how come you took 9 to the other side but changed the sign of 'y' ?
  7. ZainH

    Word Association game

    Vanilla <3
  8. ZainH

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w08_qp_1.pdf The last question's last part , I'm getting one of the signs wrong for some reason. They changed the equation when taking the inverse? :\ If someone could do it with steps included...
  9. ZainH

    for those who need help or are stressed

    Thanks this helped :)
  10. ZainH

    for those who need help or are stressed

    Hm sure why not . I managed to get 6 A*s in IGCSEs. I started this year decently but lost interest in studying fairly quickly. As a result my grades dropped and my teachers were shocked. They didn't expect me to be failing the tests. Now that we're on prep leave I think I can still manage A's...
  11. ZainH

    Chemistry: Post your doubts here!

    Hm, option one states that "NITROGEN, undergoes a redox reaction" Isn't nitrogen only reduced? Redox means both oxidation and reduction right?
  12. ZainH

    Word Association game

    Hope.
  13. ZainH

    Oh , no chem .

    Oh , no chem .
    • ZainH
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  14. ZainH

    Haha all right, so your takin' maths physics and?

    Haha all right, so your takin' maths physics and?
    • ZainH
    • Profile post comment
  15. ZainH

    I heard stats is easier though :|

    I heard stats is easier though :|
    • ZainH
    • Profile post comment
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