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Find the n^(th) term of series 1.2.5+2.3...

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

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`n(n+1)(n+4)`
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A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
  1. What is the value of underset1oversetnsum3^n?

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

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

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  4. Find the sum to n terms of this series

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

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

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  7. 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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  8. A student builds square pattern with square bricks using the followin...

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

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

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

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

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

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

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

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  16. Consider the quadratic equation (b-c)x^2+(c-a)x+(a-b)=0 Find the discr...

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  17. fill in the blank by choosing the correct answer from the bracket .If ...

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  18. Consider the quadratic equation (b-c)x^2+(c-a)x+(a-b)=0 If a,b,c are i...

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  19. Arun writes letter to 3 to his friends He asks each of them to copy th...

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  20. Arun writes letter to 3 of his friends He asks each of them to copy th...

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