Assertion A: If
are four points on a semicircular arc with centre at O such that
=
, then
.
Reason R: Polygon law of vector addition yields 

In the light of the above statements, choose the most appropriate answer from the options given below.
Text Solution
Verified by ExpertsThe correct answer is:
B
: Yes, in both cases polygon law is applicable but the relation given in reason has no use to
explain the equation given in assertion.
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