If and are the vectors represented by the sides of a triangle

MATHEMATICS · Subjective · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

\mathbf{a}, \mathbf{b}

and

\mathbf{c}

are the vectors represented by the sides of a triangle, taken in order, then prove that

\mathbf{a} + \mathbf{b} + \mathbf{c} = 0