Gce Model Questions Vol1 2025 Mathematics Question 21
Practice objective / multiple choice question 21 from the 2025 Gce Model Questions Vol1 Mathematics examination.
The sum of the first \(n\) terms of an arithmetic sequence is given by \(S_n = 3n^{2}+5n\). The sum of the first \(2n\) terms is \(S_{2n}=12n^{2}+10n\). Determine the common difference of the sequence.
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About This Question
This is Gce Model Questions Vol1 2025 Mathematics Question 21. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Mathematics examination.
Difficulty level: Medium .
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