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  1. CaptainDanger

    mathematics

    Yes 0,3,8,15 See the first difference is 3 and the second 2 a + (n-1) d1 +1 /2 (n-1) (n-2) d2 a is the first number of sequence again ==> 0+ (n-1) 3 + 1/2 (n-1) (n-2) 2 3n-3 + 1/2 (n^2 - 3n +2) 2 3n-3 + 1/2 (2n^2 - 6n + 4) 3n-3 + n^2 -3n + 2 n^2-1 becomes the formula....
  2. CaptainDanger

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he Sure....
  3. CaptainDanger

    Papers of 2011

    Yeah...
  4. CaptainDanger

    Examination tips and Best of luck!

    lol
  5. CaptainDanger

    History- The 4 mark terms

    I mean there are many ppl who don't like Sec 3!
  6. CaptainDanger

    MOMENTUM

    I wish I could... Jtna jaanta hoon btaunga zaroor... :)
  7. CaptainDanger

    What to study in Urdu B??

    :D
  8. CaptainDanger

    Papers of 2011

    Oct Nov... That form is not uploaded yet I guess...
  9. CaptainDanger

    mathematics

    You have to put the Tn number there... 4 is the first number of sequence so put 1 there.... See mine if it helps... Find an expression in terms of n for this sequence... 3, 6, 10, 15, 21, ___ , ___ a + (n-1)d1 + 1/2(n-1)(n-2)d2 a is the 1st term of the sequence d1 is the 1st difference...
  10. CaptainDanger

    What to study in Urdu B??

    Yeah... Thats right....
  11. CaptainDanger

    ~~jokes?? in here?? really??

    Psychometric Test: Suppose you are driving a car on rainy night. You arrive at a bus stop where you see three people waiting for the bus: (1)An old lady whos abt to die. (2)An old friend who once saved ur life (3)A perfect man/woman u have been dreaming abt.. Which 1 wud u choose to offer to...
  12. CaptainDanger

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he Thanks anyway... :) Thanks Alot :D
  13. CaptainDanger

    confused...:S:S

    :)
  14. CaptainDanger

    History- The 4 mark terms

    See you do hate it... :P
  15. CaptainDanger

    Examination tips and Best of luck!

    True!
  16. CaptainDanger

    Oct/Nov 2010 Examiner's report

    PlanetMaster
  17. CaptainDanger

    mathematics

    Thanks .... Didn't know that....
  18. CaptainDanger

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he Add bracket to the expression to make it correct 3+48÷4 into 6 - 1 = 4 Its quite simple I know... But I am just unable to do it.... :'( Give me hint for such type of question too... Factorize this: 81x^4 - 16y^4 I need to know...
  19. CaptainDanger

    need help in physics p4-w10_qp_41

    Download this paper http://www.xtremepapers.me/CIE/index.php?dir=International%20A%20And%20AS%20Level/9702%20-%20Physics/&file=9702_w10_qp_41.pdf Graph is in it there...
  20. CaptainDanger

    mathematics

    Yeah.... Here it is For linear sequence a+(n-1) d1 for Quadratic sequence a+(n-1) d1 + 1/2 (n-1) (n-2) d2 a is the first term of sequence. d1 is the first difference d2 is the second difference. Put accordingly, solve and you will arrive at the n-th term formula...
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