Question

(Unesp) O logarituto de 4/5 na base 0,8 é:​

Answer 1

Resposta:

$\textsf{Leia abaixo}$

Explicação passo a passo:

$\mathsf{log_{\:0,8}\:\dfrac{4}{5} = x}$

$\mathsf{(0,8)^{\:x} = \dfrac{4}{5}}$

$\mathsf{\left(\dfrac{8}{10}\right)^{x} = \dfrac{4}{5}}$

$\mathsf{\left(\dfrac{4}{5}\right)^{x} = \left(\dfrac{4}{5}\right)^{1}}$

$\boxed{\boxed{\mathsf{x = 1}}}$