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Assertion (A) : If ABCD is a prallelogra...

Assertion (A) : If ABCD is a prallelogram, `vec(AB)+vec(AD)+vec(CB)+vec(CD)` then is equal to zero.

Reason ( R): `vec(AB)` and `vec(CD)` are equal in magnitude and opposite in direction. Also `vec(AD)` and `vec(CB)` are equal in magnitude and opposite in direction

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true and R is not a correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

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The correct Answer is:
A, B, C, D
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