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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

`r=-q+((p.q)/(p.p))p`

B

`r=q-((p.q)/(p.p))p`

C

`r=-3q+3((p.q)/(p.p))p`

D

`r=3q-3((p*q)/(p*p))p`

Text Solution

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The correct Answer is:
A
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