Additional Mathematics 0606 / Logarithmic and exponential functions / 3.213.21: Domain and equation with log_5(12x − 4)0606/11/M/J/25 — Question 8 · 7 marks · Log laws, Change of base, EquationsMark as done · Save for later · Show all solutions(a)Write down the set of values of xxx for which log5(12x−4)\log_{5}(12x - 4)log5(12x−4) exists.[1]▸ Answer(b)Solve the equation log5(12x−4)=6logx125+1\log_{5}(12x - 4) = \dfrac{6}{\log_{x} 125} + 1log5(12x−4)=logx1256+1.[6]▸ Answer▸ Official mark scheme← 3.20: x-intercepts of a cubic curve3.22: Derivative of ln quotient at x = 0 →
