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Find the n^(th) term of the series 1+(1+...

Find the `n^(th)` term of the series `1+(1+2)+(1+2+3)+..`

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`(n(n+1))/2`
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A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
  1. Match the following

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  2. Find the sum to n terms of the series whose n^(th) term is 2n^3+3n^2-1

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  3. Find the n^(th) term of the series 1+(1+2)+(1+2+3)+..

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  4. Find n^(th) term of the series 1+(1+2)+(1+2+3)+....Find the sum to n...

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  5. What is the value of underset1oversetnsum3^n?

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  6. What is the value of underset1oversetnsum3^n?

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

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

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  9. Find the sum to n terms of this series

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

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

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

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

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

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  16. Suppose the digits of a positive integer, having three digits ,are in ...

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  17. Suppose the digits of a positive integer, having three digits ,are in ...

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  18. Suppose two Cars start together in the same direction from the same pl...

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  19. Suppose two Cars start together in the same direction from the same pl...

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  20. Suppose two Cars start together in the same direction from the same pl...

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