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Consider a sequence whose sum to n terms...

Consider a sequence whose sum to n terms is given by `S_n=2n^2+4n` Is the sequence an A.P? If yes, find the common difference of the AP.

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A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
  1. The n^(th) term of a sequence is given by an=4n+7 Is the sequence an A...

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  2. Consider a sequence whose sum to n terms is given by Sn=2n^2+4n Find a...

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  3. Consider a sequence whose sum to n terms is given by Sn=2n^2+4n Is the...

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  4. Find the n^(th) term of the A.P 84, 80,76,.....

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  5. If an is the n^(th) term of an A.P whose first term is a and common di...

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  6. Prove that the number of terms in the A.P. 3,6,9,….111 is 37

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  7. Find the number of natural numbers between 1 and 100 which are divisib...

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  8. Find the sum of natural numbers between 1 and 100 which are divisible ...

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  9. Suppose that the 6^(th) and 17^(th) terms of an A.P. are 19 and 41 res...

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  10. The 6^(th) and 17^(th) terms of an A.P are 19 and 41 respectively, fin...

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  11. Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 re...

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  12. Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 re...

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  13. If a is the first term and d is the common difference of an A.P, what ...

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  14. If 10 times the 10^(th) term of the A.P is equal to 15 times 15^(th) t...

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  15. Suppose that three numbers are in A.P. If the sum of the three numbers...

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  16. Suppose that three numbers are in A.P.if the sum of the three numbers ...

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  17. Suppose that four numbers are in A.P. Let the four numbers be a-3d, a-...

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  18. Suppose that four numbers are in A.P. Let the four numbers be a-3d, a-...

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  19. Consider the A.P. 18,15,12.... Find the sum to n terms of the A.P.

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  20. Consider the A.P. 18,15,12.... How many terms are needed to give the s...

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