log3((x)(sqrt(y)))
=\(\sqrt{y} log(x)/log(3)\)
\(log_3(x\sqrt y)\\ =log_3x+\log_3\sqrt y\\ =log_3x+\log_3(y)^{1/2}\\ =log_3x+\frac{\log_3(y)}{2}\\ =\frac{2logx}{2log3}+\frac{logy}{2log3}\\ =\frac{2logx+logy}{2log3}\)