Question

-11
(iii) How many terms of the sequence - 6,
2
-5,... must be taken to make the sum - 25?​

Answer 1

Answer:

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Answer 2

How many terms of the series 2+6+18+ . ... play. How many terms of the series `1 +3+3^2+3^3+3+....+3^(n-1)`must be taken to make the sum equal to 3280.