Mathematics

Problem

A unit vector perpendicular to the vector

-\hat{i} + 2\hat{j} + 2\hat{k}

and making equal angles with

X

and

Y

-axes can be a. \frac{1}{3}(2\hat{i} + 2\hat{j} - \hat{k}) b. \frac{1}{3}(2\hat{i} - 2\hat{j} - \hat{k}) c. \frac{1}{3}(2\hat{i} + 2\hat{j} + \hat{k}) d. \frac{1}{3}(2\hat{i} - 2\hat{j} + \hat{k})

Browse the problem library