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  1. PlanetMaster

    Additional Math

    Oct/Nov 2005 Paper 01 Question 8: y = (x+2) √(x-1) u = (x+2) u' = 1 v = √(x-1) v' = 1 / (2√(x-1)) dy/dx = uv' + vu' dy/dx = [(x+2) / 2√(x-1)] + [√(x-1)] dy/dx = [x+2+2(x-1)] / 2√(x-1) dy/dx = 3x / 2√(x-1) Therefore k=3/2 For rest parts why don't you look up in marking scheme for the solution...
  2. PlanetMaster

    help please!

    Go to www.xtremepapers.net. Go to CIE, your level and then your required subject. You'll get a long list of resources for that subject. If you are unfamiliar with those file codes, please see http://www.xtremepapers.net/guide.html
  3. PlanetMaster

    Does anyone have new application booklet for physics

    I've renamed it for easy access. :) Here's a direct link to it: http://www.xtremepapers.net/CIE/index.p ... %20WEB.pdf
  4. PlanetMaster

    What are Grade Thresholds?

    Anytime. :)
  5. PlanetMaster

    What are Grade Thresholds?

    CIE never published 'Grade thresholds' for these subjects. :(
  6. PlanetMaster

    What are Grade Thresholds?

    CIE always sets grade thresholds after exams. Grade thresholds depends upon the difficulty of the paper and how students perform in it. If the minimum mark for A* is 65, you'll get an A for scoring 65 or above. :)
  7. PlanetMaster

    Have you applied in NUST?

    15000 was few years back so 30000 might be true! If you find A Level Maths easy, its not gonna be problem since its in majority. The good thing about NUST's test is that it tests your skills, your knowledge and your reaction to the trap they've set in those MCQ's. Thats why its pretty usual that...
  8. PlanetMaster

    aDdditional MaThs

    Derivation Challenge: Since Sin(A+B) = Sin(A)Cos(B) + Cos(A)Sin(B), Sin(2x) = Sin(x+x) = Sin(x)Cos(x) + Cos(x)Sin(x) = 2Sin(x)Cos(x) Differentiation question: Suppose that y = x^g(x) and you want to differentiate y with respect to x. First take the natural log of both sides and use the...
  9. PlanetMaster

    marked script

    Thats true! Give me 24hrs. I'll try my best.
  10. PlanetMaster

    marked script

    CIE doesn't publishes those scripts. For some subjects, 'Standard booklet' can be the nearest option.
  11. PlanetMaster

    Matrices used in Transformation

    See my wikipedia link on that thread. It should be fifth post.
  12. PlanetMaster

    maths p6 help

    Your welcome. :)
  13. PlanetMaster

    Matrices used in Transformation

    Its already discussed at another thread :!: Here's a link to it: viewtopic.php?f=25&t=223 Plz use search option to find your query before starting a new thread.
  14. PlanetMaster

    maths p6 help

    May/June 2009 Paper 6 Question 4 Part 3: B = Basses T = Tenors BBBBTTTT or TTTTBBBB =2 The tenor standing next to basses can't be moved so shuffling remaining 3 tenors = 3! Shuffling 4 basses = 4! Total arrangements: 4! x 3! x 2 = 288 May/June 2008 Paper 06 Question 3 Part 1: J = Jazz P = Pop C...
  15. PlanetMaster

    Biology/Physics/Chemistry unit 7

    You need resources for these subjects?
  16. PlanetMaster

    whats the logic of refraction of waves

    Hope this clears:
  17. PlanetMaster

    aDdditional MaThs

    Its a trigonometrical identity to remember. Luckily its derivation is not in your syllabus. :)
  18. PlanetMaster

    What are Grade Thresholds?

    Its already been discussed here: viewtopic.php?f=26&t=133
  19. PlanetMaster

    aDdditional MaThs

    Piece of cake :mrgreen: Substitute Sin(2x) = 2Sin(x)Cos(x) therefore 2Sin(x)Cos(x) = Cos(x) and 2Sin(x)Cos(x) - Cos(x) = 0 Taking Cos(x) common: Cos(x)[2Sin(x) - 1] = 0 Cos(x) = 0 so x = π/2 or x = 3π/2 [2Sin(x) - 1] = 0 2Sin(x) = 1 Sin(x) = 1/2 so x = π/6 or x = 5π/6
  20. PlanetMaster

    Am/PM in the timetable.

    Well CIE's site says exactly like that. :roll: Verify the timings against your 'Statement of entry' :!:
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