Additional Mathematics 0606 / Series / 4.054.05: Arithmetic progression conditions0606/13/M/J/26 — Question 2 · 5 marksMark as done · Save for later · Show official mark schemeAn arithmetic progression has first term \(a\) and non-zero common difference \(d\). It is given that \(u_6+u_{11}=0\) and \(S_6=-30\).Find \(a\) and \(d\).[5]▸ AnswerSee the official mark scheme below.▸ Official mark scheme
