If , , and be the position vectors of the points A, B, C and D respectively, referred…

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

Problem

\vec{a}

\vec{b}

\vec{c}

and

\vec{d}

be the position vectors of the points A, B, C and D respectively, referred to same origin O such that no three of these points are collinear and

\vec{a} + \vec{c} = \vec{b} + \vec{d}

, then quadrilateral ABCD is a (1) square (2) rhombus (3) rectangle (4) parallelogram