4. Let ABCD be a parallelogram such that
AB=q , AD=p and ZBAD be an acute angle.
If r is the vector that coincides with the
altitude directed from the vertex B to the
side AD, then r is given by [AIEEE 2012]
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1
Answer:
The correct option is (b) r = -q + ( p.q/p.p) p
Answered by
1
Answer:
The correct option is (b) r = -q + ( p.q/p.p) p. Explanation: Given: (i) A parallelogram ABCD such that AB = q and AD=p. (ii) The altitude from vertex B to side AD coincides with a vector r. To find The vector r in terms of p and q. Let E be the foot of perpendicular from B to side AD.
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