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vec(P), vec(Q), vec(R ), vec(S) are vect...

`vec(P), vec(Q), vec(R ), vec(S)` are vectors of equal magnitude. If `bar(P) + vec(Q) - vec(R )= O` angle between `vec(P) and vec(Q) " is " theta_(1)`. If `bar(P) + bar(Q) - bar(S) = O` angle between `bar(P) and bar(S) " is " theta_(2)`. The ratio of `bar(theta)_(1) " to " theta_(2)` is

A

`1: 2`

B

`2: 1`

C

`1: 1`

D

`1 : sqrt3`

Text Solution

Verified by Experts

The correct Answer is:
B
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