Logarithms Equation – Example 2 5 Feb,2014 userLeave a comment Example 2 Solve the following equation: (a) ${\mathrm{log}}_{\sqrt{y}}81-3={\mathrm{log}}_{\sqrt{y}}3$ (b) $2{\mathrm{log}}_{2}x-{\mathrm{log}}_{2}(\frac{x}{2}-1)-4=0$