$\begin{array}{1 1} y=\large\frac{ 1}{2}\log\large\frac{(x^2-1)}{x^2} - \frac{1}{2}\log\large\frac{3}{4} \\y=\large\frac{ 1}{4}\log\large\frac{(x^2+1)}{x^2} - \frac{1}{2}\log\large\frac{3}{4} \\y=\large\frac{ 1}{2}\log\large\frac{(x^2-1)}{x^2} + \frac{1}{2}\log\large\frac{3}{4} \\ y=\large\frac{ 1}{2}\log\large\frac{(x^2-1)}{x^2} - \frac{1}{4}\log\large\frac{3}{4} \end{array} $