The direction ratios of a vector are

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

Problem

1:2:-2

. If its magnitude is

18

units, identify the vector. (a)

18\hat{i}+36\hat{j}-36\hat{k}

(b)

6\hat{i}+12\hat{j}+12\hat{k}

(c)

6\hat{i}+12\hat{j}-12\hat{k}

(d)

3\hat{i}+6\hat{j}-6\hat{k}