If 3x−ky−2=0,2x+y+2=0 are perpendicular, then the value of k =

If 3xky2=0,2x+y+2=0 are perpendicular, then the value of k =

  1. A

    4/3

  2. B

    4/5

  3. C

    5/3

  4. D

    6

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    Solution:

    Given lines are perpendicular  (3)(2)+(k)(1)=0k=6

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