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What is the value of underset1oversetnsu...

What is the value of `underset1oversetnsum3^n`?

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`(3(3^n-1))/2`
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A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
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  2. What is the value of underset1oversetnsum3^n?

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  3. What is the value of underset1oversetnsum3^n?

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  4. Find the sum to n terms of the series whose n^(th) term is n^3-3^n

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  5. Find the n^(th) term of series 1.2.5+2.3.6+3.4.7.+…

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  6. Find the sum to n terms of this series

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  7. What is the sum of first n terms of an A.P. whose first term is 'a' an...

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  8. What is the n^(th) term of an A.P. whose first term is 'a' and common ...

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  9. The ratio of the sums of m and n terms of an A.P is m^2:n^2. Show that...

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  12. A student builds square pattern with square bricks using the followin...

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