Question

4
c) x2
II
49 quem sabe ​

Answer 1

Resposta:

x' = -2/7

x" = +2/7

${x}^{2} = \frac{4}{49} \\ x = \sqrt{ \frac{4}{49} } \\ x = \frac{2}{7}$

x' = -2/7

x" = +2/7