Mathematics 9709 · AS & A Level · Series

Series — practice question

In a geometric progression, the second term is $10$ and the third term is $8$.
(main)[4]

Determine the sum to infinity.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Recognises the common ratio as $r=0.8$.” …

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