Question

3 × ao quadrado - 1 = 0

Answer 1

3x^2 - 1 = 0
3x^2 = 1
x^2 = 1/3
x = √1/√3
x = 1/√3
x = + ou - √3/3

Answer 2

3x² - 1 = 0

3x² = 0 + 1

3x² = 1

x²= 1/3

x= ± √1/3

S= ( √1/3 , - √1/3)