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Qiuyun TMUA Simulation Test Paper 1 · Q9

Paper 1Sequences & series

An arithmetic sequence has a first term 14.

Given that S5>S4S_5>S_4 and S5>S6S_5>S_6, what is one of the possible values of its common difference?

A−4-4
B−3-3
C−2-2
D−145-\frac{14}5
E−72-\frac72

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