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  1. Haya Ahmed

    Mathematics: Post your doubts here!

    explain pls
  2. Haya Ahmed

    Mathematics: Post your doubts here!

    Guys how to factorise this .. 3x^2 - 22ax + 7a^2 < 0 and please explain step by step ..
  3. Haya Ahmed

    Mathematics: Post your doubts here!

    Guys I'm completely scared from this .. I'm A2 student .. I got in maths in AS p1 - 68/75 and in S1 got 44/50 ... no for A2 should I continue with S2 or take M1 ?? as I'm going for engineering they said I'll need M1 ... BUT it seems to be difficult for me as we started kinamatics .. I got in...
  4. Haya Ahmed

    Mathematics: Post your doubts here!

    guys can you help me solve this question .. it is Mechanics 1 .. the answer is -1/30 m/s^2
  5. Haya Ahmed

    Mathematics: Post your doubts here!

    Guys can you explain to me this questions .. and when to use sin and when to use cos ... thanks :)
  6. Haya Ahmed

    Mathematics: Post your doubts here!

    Guys .. isn't this supposed to be ( - ) not (+) this is a mistake in the text book right ?!
  7. Haya Ahmed

    Mathematics: Post your doubts here!

    How to find K value ??? please with explaination ... the ans is -11
  8. Haya Ahmed

    Mathematics: Post your doubts here!

    In this question guys I got the dy/dx which is "3" but now my doubt is how can we find the equation without having the y value ... !! ... the answer is 9y- 2x -e = 0 .. please answer ASAP
  9. Haya Ahmed

    Mathematics: Post your doubts here!

    TimBluesWin is right even the answer at the back of the book is like ours '' ... Thanks :)
  10. Haya Ahmed

    Mathematics: Post your doubts here!

    dy/dx is (4-x)/(y+2)
  11. Haya Ahmed

    Mathematics: Post your doubts here!

    Hey guys please I need help here in part (ii) what are we supposed to do ?! ...
  12. Haya Ahmed

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s03_qp_3.pdf Q.6 part ii
  13. Haya Ahmed

    Mathematics: Post your doubts here!

    i need help http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s03_qp_3.pdf Q.6 part ii RoOkaYya G Pleaaaaaaaaaaase Help !!
  14. Haya Ahmed

    Mathematics: Post your doubts here!

    how to find dy/dx of this e^xy = 4 the answer is -y/x ... I need steps thanks :)
  15. Haya Ahmed

    Mathematics: Post your doubts here!

    Can you guys differentiate with respect to x .. Q= Sinx + Cosx Sinx - Coxs the answer is supposed to be 2 / Sin2x - 1 RoOkaYya G
  16. Haya Ahmed

    Mathematics: Post your doubts here!

    LOOL .. thanks :P .. I'm sorry ... maths made me crazy today .. solving maths since 12 hours continuously
  17. Haya Ahmed

    Mathematics: Post your doubts here!

    Ohhh .. I got the idea now !! ... so -1 and 1 have the highest values but 0 have the lowest value ?! right ? .. cuz -1<cos/sin<1 and 0 is included in the range .. am I rightt !!
  18. Haya Ahmed

    Mathematics: Post your doubts here!

    aren't both 60 ? .. because sqr root 26 x 1/-1 and then we square the ans we get 52 because -ve is canceled in squaring and +8 is 60 which is for both ..?! o.O
  19. Haya Ahmed

    Mathematics: Post your doubts here!

    I did it in this way is it right?.. sorry for the sloppy handwriting !!
  20. Haya Ahmed

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_qp_21.pdf Q8 (iii) the greatest and leastvalue is 60 and I got it .. but what about 8 ? from where are we supposed to get it
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