Additional Mathematics 0606 / Logarithmic and exponential functions / 3.283.28: Single lg and equation in log_a 40606/12/O/N/21 — Question 3 · 9 marks · Log laws, Change of base, EquationsMark as done · Save for later · Show all solutions(a)Write 3+2lga−4lgb3 + 2\lg a - 4\lg b3+2lga−4lgb as a single logarithm to base 101010.[4]▸ Answer(b)Solve the equation 3loga4+2log4a=73\log_{a} 4 + 2\log_{4} a = 73loga4+2log4a=7.[5]▸ Answer▸ Official mark scheme← 3.27: Index form and exponential quadratic3.29: Values of m with no intersection →
