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  1. C

    maths p3 .. nov 10p33 .. please help

    i frankly see that we cant apply substitution always in (integration by parts ) form ...the examiners would reject it obviously. we should see if parts than be applied first than we think of substitution since some equations require 2 substitution which would be tough logically by the way they...
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    maths p3 .. nov 10p33 .. please help

    fine ahmed t its ok ..u have done a wonderful job sofar
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    maths p3 .. nov 10p33 .. please help

    for wellwisher...u can use integration by parts which is more systematic than substitution 2x.(1/x+1)..that will be better since examiners look for it
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    maths p3 .. nov 10p33 .. please help

    excuse me ahmed t, this is a circle with radius 5 not perpendicular bisector
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    maths p3 vectors help!!

    i wanna know the other way... i mean iam using the simultaneous equating way in which both the direction vector of AB and the normal of the plane OAB(b.n=o) we solve them and we got a=2 and b=5 and c=7 so my question is who he found the normal of plane OAB ? ur way is correct...
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    maths p3 vectors help!!

    ok guys...but what about part iii for finding the plane...my question is how to find the NORMAL OF PLANE OAB?? i found the direction vector of AB but the normal for OAB is hard,,besides wht they mean BY OAB why O at the beginning thanks alot
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    maths P1 TWISTED QUESTION

    guys.. what is the max and min value of COS^2 x and SIN^2 x AND at wht angle each of them occur thanks alot plzzzzzzzzzzzzzzzzzzzzz reply sooooooooooooooooooooooooooooooooooon
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    COming P1 As Maths Paper

    ks136 u r so silly
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    Maths P1

    do u mean the volume question...plz make it clear ???
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    p1 help needed

    ok guys..just another question sorry what is the max and min value of COS^2 x and SIN^2 x AND at wht angle each of them occur thanks alot
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    vectors P1...difficult part

    guys.....can someone tell me the addition rules of vectors using diagrams...the parallelogram rule and how to find the RATIO THE RATIO PART IS SOMWWHAT CONFUSING SO ANY HELP PLZZZZZZZZZZZZZZZZZZZZZZZ
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    p1 help needed

    anymore elaboration plzzzz..wht would be the answer if it was cosx???????
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    maths P1 nov 2008 why -ve ????

    sorry guys i still dont get it!!!!
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    maths.....tough thinking

    wht do u want be to say .....smooth thinking!!
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    maths.....tough thinking

    why???
  16. C

    maths.....tough thinking

    guys....wht tan(90-x)=???? what is the answer for this tan(90-x)....how can we write it in another form????????????????? thanks
  17. C

    maths P1 nov 2008 why -ve ????

    can someone plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz tell me
  18. C

    maths P1 nov 2008 why -ve ????

    even if we draw a graph for -cosx we will find the max value is also 1 and min is also -1
  19. C

    maths P1 nov 2008 why -ve ????

    sorry i didnt get you...........we know that max value of cosx is 1 so a-(b.1)=10...to be a-b=10......how/ sorry
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    maths P1 nov 2008 why -ve ????

    guys ........in Q5 i in oct/nov 2008 p1...for maximum and mininmum.... why they took the maximum value for cosx as -1 not 1....coz it as to be a-b=10 not a=b=10 how ??? this is too tough plz post a reply thanks
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