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  1. M

    Maths (Paper 3)

    nov 2009, p3, question 7-ii, how to make argand diagram?
  2. M

    maths p3 - deciding range of inequality after solving it

    hi, look at question 1 nov 2010 - p3.. its ok to square both of the sites and solve like quadratic equation.. i get answers of x=1 and x=-7 now who do i decide the range?
  3. M

    about maths p3 xm

    let me guess... its going to be extremely tough exam for sure! expect big fat 'E'
  4. M

    MATHS S1 paper62 idea and suggestion.

    past papers
  5. M

    Maths p3 - complex inequalities

    bump
  6. M

    9709 MATHS P3 O/N 2009 32 {Q7 (ii), (iii), (iv}

    buy the book by redpost yearly solved, goto tariq book city
  7. M

    Maths p3 - June 2007 - Q 8-ii

    bump
  8. M

    Maths p3 - June 2007 - Q 8-ii

    The complex number (2/(−1 + i)) is denoted by u. (ii) Sketch an Argand diagram showing the points representing the complex numbers u and u2. Shade the region whose points represent the complex numbers which satisfy both the inequalities |z| < 2 and |z-u^2|< |z-u|. How to sketch? How to...
  9. M

    Maths p3 - complex inequalities

    Hello all, its difficult to ask this question, so i am pasting it from the syllabus: illustrate simple equations and inequalities involving complex numbers by means of loci in an Argand diagram, e.g. |z – a |< k, |z – a|= |z – b|, arg(z – a) = α. So far I understand the complex numbers...
  10. M

    ALEVEL MATH P3 QUESTION =O

    => e^(2t)dy/dt=cos^(2)x => dy/dt=e^(-2t)cos^(2)x which is > 0 for all values of t, so x increases as t increases. x is an increasing function!!
  11. M

    maths p3 june 2007 - q8-i

    thank you ahmed_tee
  12. M

    maths p3 june 2007 - q8-i

    (i) Find the modulus and argument of u and u2.
  13. M

    maths p3 june 2007 - q8-i

    complex number u is =-1-i u^2 = 2i |u^2|=2 |u| = sqrt(2) how about the argument of u and u^2? the marksscheme says arg(u)=-3pi/4 and arg(u^2)=.5pi what i understand is arg of u should be arctan(-1/-1) = arctan(1) which is pi/4. thanks
  14. M

    Maths p3 - june 2008, p32, q 5-i

    .. hence sketch, in an argand diagram, the locus of the point representing z. fyi z = 2cos(theta)+i(1-2sin(theta)) fyi |z-i|=2 what is a locus and how do i get it? how to draw it in exam?
  15. M

    maths p3

    Redspot yearly solved mathematics 9709.
  16. M

    Guess the least marks for A grade

    OCT/NOV2010 - P1 was piece of cake!
  17. M

    PENS?????

    told who, where and when? i just did P1 using gel pen :)
  18. M

    Mathematics 9709 paper 12 how was it with you?

    I got the same answers but I think my range answer was wrong. Do you guys think the Mechanics paper will be easy if P1 was hard? my range was -1 ≤ x ≤ 7. i think this makes more sense than -1 ≤ x ≤ 3. the amplitude is 4 and it's axis is at y=3... so 3 + 4 = 7. it wud hv made a definite...
  19. M

    Mathematics 9709 paper 12 how was it with you?

    amna, my range was the same -1 ≤ x ≤ 7 !!!
  20. M

    Guess the least marks for A grade

    me too.. but this is too much expected... a very senior teacher told me that the p12 was much above average difficulty so they're definitely going to below the gt for a and e
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