Additional Mathematics 0606 / Logarithmic and exponential functions / 3.393.39: Single lg and quadratic in log_a 40606/11/O/N/23 — Question 6 · 8 marks · Log laws, Change of base, EquationsMark as done · Save for later · Show all solutions(a)Write 2+2lgx−12lg42 + 2\lg x - \dfrac{1}{2}\lg 42+2lgx−21lg4 as a single logarithm to base 101010.[3]▸ Answer(b)Solve the equation 2loga4−3log4a−5=02\log_{a} 4 - 3\log_{4} a - 5 = 02loga4−3log4a−5=0, giving your answers in exact form.[5]▸ Answer▸ Official mark scheme← 3.38: Single lg expression from Q6 stem3.15: Differentiate and integrate (3x+1) ln(3x+1) →
