Question

log7 1\49, como calcular.

Answer 1

$Log _{7} \frac{1}{49}= x$

$7^{x}= \frac{1}{49}$

$7^{x}= 7^{-2}$
$x= -2$

Answer 2

 log7 1\49
  
    log 1/49  = x
         7

7^x = 1/49
 7^x = 7^-2
      x= - 2