Question

if (u = 13) and (v=-13), what is (sqrt{v + u})?

Explanation:

Step1: Substitute values

Substitute $u = 13$ and $v=- 13$ into $v + u$.
$v + u=-13 + 13$

Step2: Calculate sum

$-13+13 = 0$

Step3: Calculate square - root

$\sqrt{v + u}=\sqrt{0}=0$

Answer:

$0$