If and , then find vector…

MATHEMATICS · Subjective · A Level · Mathematics · Vectors · Vectors

Problem

\mathbf{r} \cdot \hat{i} = \mathbf{r} \cdot \hat{j} = \mathbf{r} \cdot \hat{k}

and

|\mathbf{r}| = 3

, then find vector

\mathbf{r}