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The n^(th) term of the sequence 0,2,6,12...

The `n^(th)` term of the sequence `0,2,6,12,20,`….. Can be expressed as …..

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The n^(th) term of the sequence 1,2,4,7,11 ……… is …………

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NCERT TAMIL-NUMBERS AND SEQUENCES -Progress Check
  1. Fill in the blanks for the following sequences 2,…., 10,17,26,.……

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  2. A sequence is a function defined on the set of.

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  3. The n^(th) term of the sequence 0,2,6,12,20,….. Can be expressed as …....

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  4. Say True or False All functions are sequences.

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  5. The difference between any two consecutive terms of an A.P. is ….

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  6. If a and d are the first term and common difference of an A.P. then th...

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  7. If t(n)" is the " n^(th) term of an A.P., then t(2n) - t(n) is …..

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  8. The common difference of a constant A.P. is ……

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  9. If every term of an A.P. is multiplied by 3, then the common differenc...

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  10. Three numbers a, b and c will be in A.P. if and only if .

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  11. The sum of terms of a sequence is called ……

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  12. A series have finite number of terms then it is called ……

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  13. If the first and last terms of an A.P. are given, then the formula to ...

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  14. If the sum of n terms of an A.P is (pn + qn^(2)), where p and q are co...

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  15. If the sum of n terms of an A.P is (pn + qn^(2)), where p and q are co...

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  16. A G.P. is obtained by multiplying ……… to the preceding term.

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  17. The ratio between any two consecutive terms of the G.P. is …… and it i...

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  18. Fill in the blanks, if the term are in G.P. (1)/(8), (3)/(4), (9)/(2),...

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  19. Fill in the blanks if the following are in G.P. 7, 7/2,……

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  20. If first term = a, common ratio = r, then find the value of t(9)" and ...

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