Question

49x elevado a 2=36??
#AJUDEMESTOUPERDIDO!!

Answer 1

Resposta:

49x² = 36

x² = 36/49

x = √(36/49)

x = ± 6/7

S = { -6/7, 6/7}

Explicação passo-a-passo:

Answer 2

Oie, Td Bom?!

$49 x{}^{2} = 36$

$x {}^{2} = \frac{36}{49}$

$x = ± \sqrt{ \frac{36}{49} }$

$x = ± \frac{6}{7}$

$x = - \frac{6}{7} \\ x = \frac{6}{7}$

S $\left \{ x_{1} = - \frac{6}{7} \: , \: x_{2} = \frac{6}{7} \right \}$

Att. Makaveli1996