Question

+
S
1 1 1
1. Find the sum of the series 1 +
+ ....to n terms.
3 9 27
2. Find the sum of the series 1 + 2 + 4 + 8 +
+ .... upto 12 terms
1 1
3. Find the sum of the series 1-
+ to n terms.
2 4 8
and the sum of the series 4
ton terms
​

Answer 1

Answer:

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