Mathematics 9709 · AS & A Level · Series

Series — practice question

The third term in a geometric progression is $-108$, while the sixth term is $32$.
(i)[3]

Find the common ratio of the geometric progression.

(ii)[1]

Find the first term of the sequence.

(iii)[2]

Find the sum to infinity of the series.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI