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If the nth term an\ of a sequence is gi...

If the nth term `a_n\ ` of a sequence is given by `a_n=n^2-n+1` write down its first five terms.

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. 11, 7, 3, -1 is an A.P. whose first term is 11 and the common diffe...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. Is 184 a term of the sequence 3,7,11, ... ?

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  17. If pth,qth and rth terms of an A.P. are a, b, c respectively, then sho...

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  18. If pth, qth, and rth terms of an A.P. are a ,b ,c , respectively, the...

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  19. Show that the sum of (m+n)^(t h)a n d\ (m-n)^(t h) term of an A.P. is ...

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  20. If m times the m^(t h) term of an A.P. is equal to n times its n^(t h)...

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