find the value of k if (2,k,-3) and (4,2,6) are perpendicular

Thank you

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- May 4th 2009, 05:14 PMep78Vectors in three dimensions
find the value of k if (2,k,-3) and (4,2,6) are perpendicular

Thank you - May 4th 2009, 05:48 PMVonNemo19
Doesn't the two coordinates you gave correspond to 2 points in space?

If so, how can 2 points be perpidicular? - May 4th 2009, 06:26 PMskeeter