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July 31, 2015

Homework Help: Calculus

Posted by Jake on Thursday, March 29, 2012 at 8:23pm.

For which value(s) of k will the dot product of the vectors (k,2k-1, 3) and (k,5,-4) be 7?

I did this so far,

2k-1=5
6/2

k=3

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