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OpenStudy (anonymous):
If vector u = [6,1,8] is perpendicular to vector v=[k,-4,5], determine value(s) of k
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OpenStudy (raden):
the rule : u.v = 0
OpenStudy (anonymous):
ohh
OpenStudy (anonymous):
so i go backwards ?
OpenStudy (anonymous):
(6)((k)+(1)(-4)+(8)(5)=0 then just solve for k
OpenStudy (anonymous):
got it thanks !
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OpenStudy (anonymous):
yeah man it will be on a quiz for sure
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