TMUA 2018 Paper 1 Q2 — Worked Solution

P1·Sequences & Series·4.0Official · 2018 · Q2

arithmetic-progressionsum-formulalinear-equation

An arithmetic progression has first term

a

and common difference

d

. The sum of the first 5 terms is equal to the sum of the first 8 terms. Which one of the following expresses the relationship between

a

and

d

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