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Find the direction cosines of the normal to YZ plane?

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CBSE MODEL PAPER-SAMPLE QUESTION PAPER ( MATHEMATICS )-QUESTION
  1. Find the area of the triangle whose two sides are represented by the v...

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  2. Find the angle between the unit vectors hata and hatb given that | ...

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  3. Find the direction cosines of the normal to YZ plane?

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  4. Find the coordinates of the point where the line (x+3)/(3 ) =(y-1)/(-1...

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  5. The probabilities of A and B solving a problem independently are1/3 a...

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  6. The probability that it will rain on any particular day is 50%. Find t...

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  7. An architect designs a building for a multi-national company. The floo...

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  8. An architect designs a building for a multi-national company. The floo...

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  9. An architect designs a building for a multi-national company. The floo...

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  10. An architect designs a building for a multi-national company. The floo...

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  11. An architect designs a building for a multi-national company. The floo...

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  12. In an office three employees Vinay, Sonia and Iqbal process incoming c...

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  13. In an office three employees Vinay, Sonia and Iqbal process incoming c...

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  14. In an office three employees Vinay, Sonia and Iqbal process incoming c...

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  15. In an office three employees Vinay, Sonia and Iqbal process incoming c...

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  16. In an office three employees Vinay, Sonia and Iqbal process incoming c...

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  17. Express tan^(-1) ((cos x )/( 1- sin x) ) , ( -3 pi)/(2) lt x lt (...

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  18. If a is a square matrix of order 3 such that A^2 = 2A then fin...

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  19. if A=[{:(3,1),(-1,2):}],show that A^(2)-5A+7I=0.

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  20. Find the values (s) of k so that the following function is contin...

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