Question

what is the magnitude of the 3î-4j​

Answer 1

$\small\bold{\underline{\sf{\purple{Solution::}}}}$

The required magnitude:-

= $\sqrt{ {3}^{2} + {( - 4)}^{2} }$

= $\sqrt{9 + 16}$

= $\sqrt{25}$

=$5$

Answer 2

Answer:

$= \sqrt{9 + 16}$

$= \sqrt{25}$

$= 5$