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For the sequence an = 6. (1/3)^n, a4 is _________

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For the sequence an = 6. (1/3)^n, a4 is _________

(a) 2/25

(b) 2/27

(c) 2/19

(d) 2/13

I had been asked this question in semester exam.

This intriguing question comes from Sequences and Summations topic in portion Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

1 Answer

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Best answer
Correct choice is (b) 2/27

Explanation: Put n = 4 in the sequence.

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