find the value of k if (2,k,-3) and (4,2,6) are perpendicular
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Doesn't the two coordinates you gave correspond to 2 points in space?
If so, how can 2 points be perpidicular?
Originally Posted by ep78 find the value of k if (2,k,-3) and (4,2,6) are perpendicular two vectors are perpendicular if their dot product = 0
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