Question

Sendo $a=\frac{1}{2}, b= \frac{2}{3} e c= \frac{1}{4}$ encontre o valor de $x=b^{2} + 4.a.c$

Answer 1

Vamos lá :

a = 1/2 ; b = 2/3 ; c = 1/4

x = b² + 4ac

x = (2/3)² + 4.(1/2).(1/4)

x = 4/9 + 1/2

x = 4*2/18 + 1*9/18

x = 8/18 + 9/18

x = (8 + 9)/18

x = 17/18

Espero ter ajudado !!!