Additional Mathematics 0606 / Series / 3.653.65: AP terms forming a geometric progression0606/22/O/N/25 — Question 8 · 7 marksMark as done · Save for later · Show all solutions(a)An AP has first term ttt and common difference 1.51.51.5. The 444th, 888th and 202020th terms form a GP.Find ttt.[5]▸ Answer(b)Find the common ratio of the GP.[2]▸ Answer▸ Official mark scheme← 3.63: Log/exponential equations; AP and dual GPs3.85: Term independent of xxx in a product of expansions →