If , and are the middle points of the sides , and of the , then…

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

D

E

and

F

are the middle points of the sides

BC

CA

and

AB

of the

\Delta ABC

, then

\mathbf{AD} + \mathbf{BE} + \mathbf{CF}

is (1) a zero vector (2) a unit vector (3) 0 (4) None of these