- If and are two points

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

Problem

- If

P(-1, 2)

and

Q(3, -7)

are two points, express the vector

\mathbf{PQ}

in terms of unit vectors

\hat{i}

and

\hat{j}

. Also, find distance between point

P

and

Q

. What is the unit vector in the direction of

\mathbf{PQ}