Show that the vector A=i+2j+3k and B=2i -j are perpendicular to each other
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Answered by
16
Answer: yes they are
Explanation:Two vectors are at90
Only when vector A and vector B i.e their dot product is equal to zero
A.B =0
(i+2j+3k).(2i-j+0k)= 2-2+0
=0
Answered by
2
Explanation:
Their dot product is ZERO.
Therefore, They are perpendicular.
Angle between them is 90°
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