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VIT Engineering VIT Engineering Solved Paper-2014

  • question_answer
    If the points (1, 2, 3) and (2, -1, 0) lie on the opposite sides of the plane 2x + 3y ? 2z = k, then

    A) k < 1      

    B) k > 2

    C)  k < 1 or k > 2                     

    D) 1 < k < 2

    Correct Answer: D

    Solution :

    Since, the points (1,  2, 3) and (2, -1, 0) lie on the opposite sides of the plane 2x + 3y ? 2z ? k = 0                            \[\Omega \] \[\Omega \]                     (k ? 1) (k ? 2) < 0                   ....(1) \[\Omega \]                      1 < k < 2


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