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Which term of the AP 72, 63, 54, …. is 0 ? (a) 8th (b) 9th (c) 10th (d) 11th

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Which term of the AP 72, 63, 54, …. is 0 ? 

(a) 8th (b) 9th (c) 10th (d) 11th

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1 Answer

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The given AP is 72, 63, 54,.....

Here, a = 72 and d = 63-72 = -9

Suppose nth term of the given AP is 0. Then

Thus, the 9th term of the given AP is 0.

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