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The 7th term of an AP is -1 and its 16th term is 17. The nth term of the AP is (a) (3n + 8) (b) (4n – 7) (c) (15 – 2n) (d) (2n – 15)

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The 7th term of an AP is -1 and its 16th term is 17. The nth term of the AP is 

(a) (3n + 8) (b) (4n – 7) (c) (15 – 2n) (d) (2n – 15)

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Let a be the first term and d be the common difference of the AP. Then,

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