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Find the number of terms of the series 1/27, 1/9, 1/3,... 729. (a) 10 (b) 11 (c) 12 (d) 13 |
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Answer» Correct option (a) 10 Explanation: r = 3. 729 = 1/27 (3)n-1,n − 1 = 9 or n = 10 |
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