Show that the vectors:
A=3î+j+k and B=î+2j-5k
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The given vectors are perpendicular
Explanation:
The given vectors are perpendicular :
to be perpendicular the dot product of the 2 vector must be 0
A . B = 0
in our case
A.B = ( 3*1 + 1*2 + 1*-5 )
(5-5 )
= 0
means The given vectors are perpendicular
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