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  1. A*****

    Mathematics: Post your doubts here!

    (iii) part plz...a bit confused about the minus sign in the argumemt of u
  2. A*****

    Mathematics: Post your doubts here!

    hellodjfos;s'ff in these questions how do we know that we have to take x in radians or degrees?
  3. A*****

    Mathematics: Post your doubts here!

    Can I work the 2nd part like this.... zz*-2iz*+2iz-12=0 zz*-2iz*+2iz+4-16=0 zz*-2iz*+2iz-4i²-16=0 z*(z-2i)+2i(z-2i)=4² (z-2i)(z*+2i)=4² (z-2i)(z-2i)*=4² |z-2i|²=4² |z-2i|=4 P.s can we take z-2i as whole in place of z because the statements in (i) are for z?
  4. A*****

    Mathematics: Post your doubts here!

    Someone plz post the solution to the (ii) part
  5. A*****

    Mathematics: Post your doubts here!

    I didn't see it in the syllabus...anyways if you find them plz share
  6. A*****

    Mathematics: Post your doubts here!

    Which paper component is it from?
  7. A*****

    Mathematics: Post your doubts here!

    Which year is this from?
  8. A*****

    Mathematics: Post your doubts here!

    Here u go! :)
  9. A*****

    Physics: Post your doubts here!

    You are right that there are only 2 forces acting on the ball in any case i.e. the weight of the ball and air resistance. The weight ALWAYS acts downwards but air resistance acts in the OPPOSITE direction of the ball's motion. When you release it from a point above ground, the ball moves...
  10. A*****

    That's great!!

    That's great!!
    • A*****
    • Profile post comment
  11. A*****

    Biology; Chemistry; Physics: Post your doubts here!

    1 mole of NO molecules contain 1 mole of N atoms and 1 mole of O atoms. Electrons in 1 atom of N=7 Electrons in 1 mol of N=7x6.02x10^23 Electrons in 1 atom of O=8 Electrons in 1 mol of O=8x6.02x10^23 Total=(7+8)x6.02x10^23 =9.03x10^24
  12. A*****

    Maths, Addmaths and Statistics: Post your doubts here!

    No I don't do that ALWAYSSS!!!
  13. A*****

    Mathematics: Post your doubts here!

    :)
  14. A*****

    Mathematics: Post your doubts here!

    I hope ur doubts are cleared by now :)
  15. A*****

    Maths, Addmaths and Statistics: Post your doubts here!

    So what's ur problem with me dude?
  16. A*****

    Mathematics: Post your doubts here!

    And I just said u do so ,so that more ppl would be available there to answer ur questions...just for ur benifit
  17. A*****

    Maths, Addmaths and Statistics: Post your doubts here!

    I wasn't posting A level queries here only answering people's problems.......
  18. A*****

    Mathematics: Post your doubts here!

    Lol do u think that smile meant I'm angry? Come on!!:rolleyes:
  19. A*****

    Mathematics: Post your doubts here!

    Better to post in O level thread :)
  20. A*****

    Mathematics: Post your doubts here!

    That's 0.424
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