Question

cuanto es (1/2 +7+4)elevado a 1/2

Answer 1

$\left(\frac{1}{2}+7+4\right)^{\frac{1}{2}}$
$=\left(\frac{1}{2}+11\right)^{\frac{1}{2}}$
$=(\frac{1+2(11)}{2})^{ \frac{1}{2} }$
$=(\frac{1+22}{2})^{ \frac{1}{2} }$
$=\left(\frac{23}{2}\right)^{\frac{1}{2}}$
$\left(\mathrm{Decimal:\quad }\:3.39116\dots \right)$