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  1. aaakhtar19

    Mathematics: Post your doubts here!

    in part (ii) just do these steps let f(x) = 1 + e^x - 2cot(x) then f(0.5) = -1.0123 then f(1.0) = 2.4341 The change of sign between the values of f(x) means f(x) cuts the X-axis between this interval :)
  2. aaakhtar19

    Mathematics: Post your doubts here!

    at acceleration = 0 force = resistance b'coz:: force - resistance = ma force - resistance = m * (0) force - resistance = 0 force = resistance
  3. aaakhtar19

    Mathematics: Post your doubts here!

    The minimum value of force will give the maximum speed and force is minimum when its equal to resistance so force = 400 speed = power / force speed = 20000 / 400 speed = 50 hope you got it *^_^*
  4. aaakhtar19

    Mathematics: Post your doubts here!

    Q6 (ii) Q9 (i)
  5. aaakhtar19

    Mathematics: Post your doubts here!

    I have uploaded the picture its the gradient of curve at (x,y) the gradient of the normal to the curve at (x,y) would be its reciprocal with opposite sign as m1*m2=-1 so ans is (1+x)*(1-x^2)^0.5 Hope u got it :D
  6. aaakhtar19

    Mathematics: Post your doubts here!

    part (i) or (ii)
  7. aaakhtar19

    Mathematics: Post your doubts here!

    sory dnt have super script 0pti0n in my m0bile so (x^2)y means x square.y xy(x+y) = 2(a^3) (x^2)y + x(y^2) = 2(a^3) taking d/dx on both sides d/dx[(x^2)y] + d/dx[x(y^2)]=d/dx[2(a^3)] using product rule 2xy + (x^2).dy/dx + (y^2) + 2xy.dy/dx = 0 [(x^2)+2xy]dy/dx = -(y^2) -2xy dy/dx =...
  8. aaakhtar19

    Mathematics: Post your doubts here!

    assalam.u.alaikum every0ne can s0meone solve questi0n Q6 mechanics 1 n0v 2003 (9706_w03_qp04)
  9. aaakhtar19

    Economics, Accounting & Business: Post your doubts here!

    i hv also got a prob of Accounting A2 level 9706 9706_qp_43 year 2011 may june q 1 Trade and other receivables?? expecting helpful replies!!!!!
  10. aaakhtar19

    Economics, Accounting & Business: Post your doubts here!

    i hv also got a prob of Accounting A2 level 9706 9706_qp_43 year 2011 may june q 1 Trade and other receivables?? expecting helpful replies!!!!!
  11. aaakhtar19

    Economics, Accounting & Business: Post your doubts here!

    i think its like the total cost would be 322-316 = 6 and external cost would not b paid by business ,i-e 2. remaining cost would b internal which is 4 :wink: :wink:
  12. aaakhtar19

    accounting difficult question

    Is this thread reserve only for accounting p1 ?? can i ask about Accounts p4 ??
  13. aaakhtar19

    Accoutning P4 : Doubts

    Post your P4 Problem Solving Paper doubts here and get them Solved by Accounting experts (Excluding me :wink: ) I'll ask the first one :D http://www.xtremepapers.com/CIE/index.p ... _qp_43.pdf Can anyone explain Q1 (a) ??? i m not getting the Current liabilities and retained earnings part...
  14. aaakhtar19

    accounting difficult question

    seems like i m alone wandering in forum no one to solve my queries???
  15. aaakhtar19

    accounting difficult question

    esy no of shares at present 80 000 shares right issue of (80 000 / 4) = 20 000 shares now new total no of shares = 100 000 shares value of these shares = 100 000 X 0.50 = $50 000 so its "A" hope it helped
  16. aaakhtar19

    accounting difficult question

    everione asking abt specimen ppr i dnt have that can u gimme link for that hope i cud help u out thnx
  17. aaakhtar19

    accounting difficult question

    hey everybodi just compare MJ 2009 q9 and MJ 2003 q10 they are quite alot same but still different approaches used at marking scheme someone pls help out?? thnx
  18. aaakhtar19

    Math P62

    i dnt htink so cox the ms wud show ans in range maybe??
  19. aaakhtar19

    Math P62

    yah rite X~B(4,0.244) bt wat v were supposed to find like P(X<2 or whst??
  20. aaakhtar19

    Math P62

    yah i know that bt cud u pls tell me wt was the x in binomial like X~b(?,0.244) i thnk i hv dn this in ppr bt i hvnt included this step in here i m damn sure that i did smthing with 0.244 like n was i thnk 4 or smthing cud anyone tell me thnx
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