(a)[3]
Determine the possible values of the constant $p$.
(b)[4]
One of the values of $p$ found in part (a) is a negative fraction. Use this value of $p$ to determine the sum to infinity of this progression.
Mathematics 9709 · AS & A Level · Series
Series — practice question
The first three terms of a geometric progression are $2p + 6$, $5p$ and $8p + 2$, respectively.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Form the correct equation $\frac{5p}{2p+6}=\frac{8p+2}{5p}$” …
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