Let . Calculate…

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

Problem

Let

\mathbf{r}=\bigl\langle \tfrac{3}{2}, -4\bigr\rangle

. Calculate

\mathbf{r}\cdot\mathbf{r}

. (a)

\dfrac{41}{4}

(b)

\dfrac{73}{4}

(c)

\dfrac{25}{4}

(d)

\dfrac{41}{2}