Question

Calcule o valor de X-Y sendo: X = 2V48 Y= 5V75

Answer 1

x = 2√48

x = 2 √2² * 2² * 3

x = 2 * 2 * 2 * √3

x = 8√3

y = 5√78

y = 5 √3 * 5²

y = 5 * 5 * √3

y = 25√3

x - y

= 8√3 - 25√3

= - 17√3