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  1. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Yar pehle btana tha...... :mad:
  2. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Its just an easy method,a tip given by my sir. Sure a)B is nearest to 1/10 so we will divide it by 2 and get a bound limit of 0.05 plus/minus.We need lower bound so just minus 0.05 from 53.4 and get 53.35 b)To get upper bound for angle c we will need lower bounds for A n B(since sum is always...
  3. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Lemme explain. Suppose we have to shade (P U R)' n Q. So we will line all the region except P U R since its a complement.Make lines tilted in one direction Then we will shade Q,in the other direction. The area in which the 2 lines overlap is the one we have to shade ,understand?
  4. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    But it is shaded,if it was complement it wouldnt be shaded at all. A tip to work it out in the reverse A U B means A n B are fully shaded in one line C is shaded in one line Area we have to shade(or in this case area shaded) is the area in which the lines overlap i.e 2 lines are present.
  5. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Its fine.
  6. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    How can B be B' ?B is also shaded.
  7. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Its a really old Q,so maybe syllabus was different and people had to know values by heart,i cant decipher how to obtain it though....
  8. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Link to paper/question?
  9. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Agar hota to pochta =p
  10. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Is this correct
  11. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    You can simply apply the matrix to get the answer.
  12. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Equation in b: n x (n+1) + (n+2)^2 Expand and simplify this to get 2n^2 + 5n + 4 Compare coefficients to obtain 2,5,4.
  13. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    A useful way to form matrices in case you forget :
  14. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    No we have to take 10,i saw it in the classified and also the ER.
  15. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Transformation is a really effed up topic....
  16. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Yes.
  17. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    When it moves on the opposite side of the invariant line i think....
  18. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    So many numbers.....calculations kar kar k dimagh sun hogia hai *_*
  19. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    Yes error carried forward,and no marks will be cut in the following if your procedure is correct.
  20. asadalam

    Maths, Addmaths and Statistics: Post your doubts here!

    I recall the ans is wrong in ms.
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