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Give first 3 terms of the sequence defin...

Give first 3 terms of the sequence defined by `a_n=n/(n^2+1)dot`

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. If log2,log(2^x-1),log(2^x+3) are in A.P., write the value of xdot

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  2. The sums of first n terms of two A.P. ' s are in hte ratio (7n+2):(n+4...

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  3. Give first 3 terms of the sequence defined by an=n/(n^2+1)dot

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  4. Find the first four terms of the sequence whose first term is 1 and ...

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  5. 1,4,7,10,is an A.P. whose first term is 1 and the common difference is...

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  6. 11, 7, 3, -1 is an A.P. whose first term is 11 and the common diffe...

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  7. The nth term of a sequence is 3n-2 is the sequence an A.P.? If so, fin...

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  8. If the nth term an\ of a sequence is given by an=n^2-n+1 write down i...

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  9. A sequence is defined by an=n^3-6n^2+11 n-6. Show that the first three...

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  10. Find the first four terms of the sequence defined by a1=3\ a n d\ an=3...

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  11. Write the first five terms in each of the following sequence: a1=1,\ a...

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  12. Write the first five terms in each of the following sequence: a1=1=\ a...

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  13. Write the first five terms in each of the following sequence: a1=a2=2,...

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  14. The Fibonacci sequence is defined by a1=1=a2,\ an=a(n-1)+a(n-2) for n ...

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  15. Show that each of the following sequences is an A.P. Also, find the ...

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  16. Show that each of the following sequences is an A.P. Also, find the ...

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  17. The nth term of a sequence is given by an=2n^2+n+1. Show that it is no...

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  18. Show that the sequence 9,12,15,18,... is an A.P. Find its 16th term...

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  19. Which term of the sequence 4,9,14,19…. is 124?

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  20. How many terms are there in the sequence 3,6,9, 12 ,....... 111 ?

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