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NEET Sample Paper NEET Sample Test Paper-7

  • question_answer
    Vectors \[A=2i-j+3k\] and \[B=Pi-3k+j\] are perpendicular for ?P? equal to:

    A)  zero               

    B)  \[-2\]

    C)  \[-3\]              

    D)  5

    Correct Answer: D

    Solution :

    Two vectors A and B are perpendicular \[A.B=0,\,\,2p-1-9=0\]                 \[P=5\]


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