Question

resolva equação do segundo grau

Answer 1

Olaa

x^2-(2*x)-(3/4) = 0

x^2-2*x-3/4 = 0

x^2-2*x-3/4 = 0

DELTA = (-2)^2-(-3/4*1*4)

DELTA = 7

DELTA > 0

x = (7^(1/2)+2)/(1*2) or x = (2-7^(1/2))/(1*2)

x = (7^(1/2)+2)/2 or x = (2-7^(1/2))/2

x in { (2-7^(1/2))/2, (7^(1/2)+2)