Question

log de 343 na base 1/49

Answer 1

$log_{ \frac{1}{49} } 343 = x \\ \\ ( \frac{1}{49} )^{x} =343 \\ \\ (7^{-2})^{x} = 7^{3} \\ \\ -2x = 3 \\ \\ x = \frac{-3}{2}$