$\log ab - \log |b| = $
$\log a$
$\log |a|$
$ - \log a$
None of these
If $x = {\log _3}5,\,\,\,y = {\log _{17}}25,$ which one of the following is correct
The sum of all the natural numbers for which $log_{(4-x)}(x^2 -14x + 45)$ is defined is -
Let $x, y$ be real numbers such that $x>2 y>0$ and $2 \log (x-2 y)=\log x+\log y$ Then, the possible value(s) of $\frac{x}{y}$
${\log _4}18$ is
The value of ${(0.05)^{{{\log }_{_{\sqrt {20} }}}(0.1 + 0.01 + 0.001 + ......)}}$ is