Question

encontre o valor de x log 1/5 125 =x

Answer 1

Resposta:

$\textsf{Leia abaixo}$

Explicação passo-a-passo:

$\mathsf{log_{\frac{1}{5}}\:125 = x}$

$\mathsf{\left(\dfrac{1}{5}\right)^x = 125}$

$\mathsf{\not5^{-x} = \not5^3}$

$\mathsf{-x = 3}$

$\boxed{\boxed{\mathsf{x = -3}}}$