Question

Calcule as potencias ( 5/2 + 15/8) elevado a 2

Answer 1

Vai dar 19,140625

(5/2+15/8)^2
(2,5+1,875)^2
4,375^2=19,140625

Answer 2

$( \frac{5}{2} + \frac{15}{8})^2=( \frac{20+15}{8})^2=( \frac{35}{8})^2= \frac{1225}{64}$