Waec Model Questions Vol1 2019 Mathematics Question 16
Practice objective / multiple choice question 16 from the 2019 Waec 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. Find the expression for the nth term a_n of the sequence.
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About This Question
This is Waec Model Questions Vol1 2019 Mathematics Question 16. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Mathematics examination.
Difficulty level: Medium .
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