1) The value of $log_{2\sqrt{3}}(1728)$ is : A) 5 B) 3 C) 9 D) 6 Answer: Option DExplanation:Let $log_{2\sqrt{3}}(1728)$ $=x$. Then, $(2\sqrt{3})^{x}$ $=1728$ $=(12)^{3}$ $=\left[\left(2\sqrt{3}\right)^{2}\right]^{3}$ $=(2\sqrt{3})^{6}$. $\therefore x=6$ i.e., $log_{2\sqrt{3}}(1728)$ = 6.