Additional Mathematics 0606 / Logarithmic and exponential functions / 3.473.47: Log equation and exponential equation0606/11/O/N/25 — Question 3 · 9 marks · Log laws, Exponentials, EquationsMark as done · Save for later · Show all solutions(a)Solve the equation log2x−4=5logx2\log_{2} x - 4 = 5\log_{x} 2log2x−4=5logx2.[5]▸ Answer(b)Solve the equation 25e2x=e3x−7e2x25e^{2x} = e^{3x} - 7e^{2x}25e2x=e3x−7e2x.[4]▸ Answer▸ Official mark scheme3.48: Single lg and reciprocal-base log equation →