1.

Assertion (A) : bara,barb,barc and bard are the position vectors of four coplanar points A, B, C, D. If abs(bard-bara)=abs(bard-barb) =abs(bard-barc), then D is the circumcentre of Delta ABC Reason ( R ) : In any triangle, the circumcentre is equidistant from the vertice. Then

Answer»

Both A and R are TRUE and R is the CORRECT explanatioon A.
Both A and R are true and R is not the correct explanatioon A.
Ais true R is false
A is false R is true

ANSWER :A


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