Find the unit vector along .

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

Problem

Find the unit vector along

\mathbf{A}=6\,\mathbf{\hat{i}}+8\,\mathbf{\hat{j}}

. (a)

0.8\,\mathbf{\hat{i}}+0.6\,\mathbf{\hat{j}}

(b)

0.6\,\mathbf{\hat{i}}+0.8\,\mathbf{\hat{j}}

(c)

6\,\mathbf{\hat{i}}+8\,\mathbf{\hat{j}}

(d)

0.43\,\mathbf{\hat{i}}+0.57\,\mathbf{\hat{j}}