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Given vec(p)*(vec(P)+vec(Q))=P^(2) then ...

Given `vec(p)*(vec(P)+vec(Q))=P^(2)` then the angle between `vec(P)andvec(Q)` is

A

`0^(@)`

B

`30^(@)`

C

`45^(@)`

D

`90^(@)`

Text Solution

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The correct Answer is:
D
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