Question 182378
{{{(1/2)log5(1) - 2 log5(5)}}}
{{{log5(1^(1/2)) - log5(5^2)}}}
{{{log5(1) - log5(25)}}}
{{{log5(1/25)}}}
{{{log5(1/5^2)}}}
{{{log5(5^(-2))}}}
{{{-2}}}