Vectors and have magnitudes and units respectively

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

Problem

Vectors

\vec{p}

and

\vec{q}

have magnitudes

5

and

7

units respectively. What is the greatest possible magnitude of

\vec{p}-\vec{q}

? (a)

\sqrt{74}

(b)

2

(c)

12

(d)

7