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  1. A

    Maths P3 help!!

    yes it always will remember u will get a quadratice inequality so remeber the purpose of >,< as for|z – a|< k it means a a circle with center a and radius k and for |z – a|= |z – b| it means the perpendicular bisector of the line between point a and point b arg(z – a) = α this means u draw a...
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    Maths P3 help!!

    square both sides and solve as a quadratic equation but remember chek ur ansers with the original equation after u finish u may do it a graphical way but it is way too time consuming
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    P3 Urgent Help

    for w08 in the markscheme they take 4+2i as z and find out zw and z/w as in the previous question z,zw,z/w are verticies of a equalatiral triangle and part iii)of the same question i understand the distance but i dont understand the subtended arc thing can u pleas explain this point
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    P3 Urgent Help

    ok november 08 i have no clue for november 09 its not opening up for some reason june 10 look wen u differientiate y and quote to zero it gives u a maximum value of y or minimum so if u diff dy/dx and quote to zero it gives u the maximum and min value of dy/dx so all u do is diff the anser of...
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    Maths p3 - June 2007 - Q 8-ii

    well all u do is draw a circle of radius 2 at the origin and then draw a perpendicular for the line between u and u^2 shade the region of the circle that is closer to u^2
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    p3

    any1
  7. A

    MATHS P42

    u are ryt but i wrote -30 and in brackets clockwisewould i loose marks
  8. A

    P3 Urgent Help

    u posted the markschemes
  9. A

    MATHS P42

    actually the resultant was 12 and the angle was 30 degrees clockwise from the x axis
  10. A

    MATHS P42

    he is takin about the resultant zishi
  11. A

    P3 Urgent Help

    plzz i wanna help but i have slow interent and it takes alot to open a page so pls post the links otherwise it will take along time to open each paper thanks
  12. A

    How did mechanics go?

    not alot so u will still deffinetly get an A in the paper
  13. A

    MATH p3 HELP!!!

    maybe if u posted it under A and As level someone would oh and while you're doing that remember to put links up saves alot of time
  14. A

    p3

    i always get mixed up with the trapezium rule quetions, i would be gratefull if someone could clear u the differences between ordinates ,segments ,parts, etc.. thanks
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    P3 Urgent Help

    maybe if ur not studying anything else
  16. A

    How did mechanics go?

    for q1 i i put it dwn as 4920 3sf would i loose marks?
  17. A

    need Maths P3 help

    as for 9i) all u do is differenciate using the quotient rule and then the chain rule take this differential and inverse it an change its sign cause u want the normal gradient this part is trikky u have to pllay around with ur results until u get the correct anser took alot of time to figure it out
  18. A

    need Maths P3 help

    here q6i) make two equations one for the shaded region and one for the semicirlce for shaded region the angle is pi-x so 0.5*r^2*((pi-x)-sin(pi-x)) for ur info sin(pi-x) is the same as sin(x) so it will be 0.5*r^2*((pi-x)-sin(x)) for the semicircle it is just 0.5 pi r^2 so 4*the shaded...
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    maths p3 .. nov 10p33 .. please help

    nope the whole circle
  20. A

    maths p3 .. nov 10p33 .. please help

    i actually find substitution easier than parts, for some reason
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