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Let ABCD be a parallelogram such that ve...

Let ABCD be a parallelogram such that `vec AB = vec q,vec AD = vec p` and `/_BAD` be an acute angle. If `vec r` is the vector that coincides with the altitude directed from the vertex B to the side AD, then `vec r` is

A

`barr=3barq-(3(barp.barq))/((barp.barp))barp`

B

`barr=-barq+((barp.barq)/(barp.barp))barp`

C

`barr=barq-((barp.barq)/(barp.barp))barp`

D

`barr=-3barq+(3(barp.barq))/((barp.barp))barp`

Text Solution

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The correct Answer is:
B
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MARVEL PUBLICATION-VECTORS-TEST YOUR GRASP
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