Question

4x2 -7x + 3 =0 equaçao 2 grau

Answer 1

Resposta:

S=(3/4 , 1)

Explicação passo-a-passo:

4x² - 7x + 3 = 0

A= 4

B= - 7

C= 3

∆= ( - 7)² - 4 • 4 • 3

∆= 49 - 48

∆= 1

x= - b ± √∆/2a

x= - ( - 7) ± √1/2 • 4

x'= 7 + 1 / 8 = 8/8 = 1

x''= 7 - 1/8 = 6/8 = 3/4

S=(3/4 , 1)