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  1. Thought blocker

    Physics 9702 Paper 4 Preparation and Sure Questions

    Take your time no problem. Just gimme a alert when you are done. BEFORE DECEMBER. :)
  2. Thought blocker

    :)

    :)
  3. Thought blocker

    Dont listen to them :P

    Dont listen to them :P
  4. Thought blocker

    :)

    :)
  5. Thought blocker

    Is it true

    I will be always here with you all. :) Just close your eyes n remember my name. I will be here within 3 months :LOL: Thanks.. Its more boring without you as well.
  6. Thought blocker

    Lol!

    Lol!
  7. Thought blocker

    You said.

    You said.
  8. Thought blocker

    I know you are daddy's girl.. ;)

    I know you are daddy's girl.. ;)
  9. Thought blocker

    psychiatrist xD

    psychiatrist xD
  10. Thought blocker

    ^_^

    ^_^
  11. Thought blocker

    Visit an eye specialist. :P

    Visit an eye specialist. :P
  12. Thought blocker

    Welcome to XPC: )

    Welcome to XPC: )
  13. Thought blocker

    Check your inbox please.

    Check your inbox please.
  14. Thought blocker

    Mathematics: Post your doubts here!

    its simple OP is actually the normal to the required plane.. coaz it says that AB is on the plane and OP is perpendicular to the plane. simply use r.n = a.n ( take OA or OB in place of a) (x,y,z) x (2/3,5/3,7/3) = (1,2,2) x (2/3,5/3,7/3) 2x + 5y + 7z = 26
  15. Thought blocker

    Second option is correct. :)

    Second option is correct. :)
  16. Thought blocker

    Mathematics: Post your doubts here!

    (ii) |wz| = |w||z| = (1)(R) = R arg|wz| = arg|w| + arg|z| = 2π/3 + θ |z/w| = |z|/|w| = R/1 = R arg|z/w| = arg|z| - arg|w| = θ - 2π/3 (iii) Modulus of all three are same meaning their lengths are equal ( = R) All angles subtended are π/3 (iv) z = 4 +2i The other two vertices are zw and z/w zw...
  17. Thought blocker

    Mathematics: Post your doubts here!

    he normal to each plane is <2, -1, -3> and <1, 2, 2> respectively. To get the angle between the planes, consider the angle between the normals. To get the equation of the line of intersection, consider the cross product of the normals. This will give you the direction numbers for the line...
  18. Thought blocker

    hi ppl :)

    I never know you are from that field. Sorry. :P
  19. Thought blocker

    :) <-------- Smiley.

    :) <-------- Smiley.
  20. Thought blocker

    Should I make it again if you dont mind.

    Should I make it again if you dont mind.
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