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If a and d are the first term and common...

If a and d are the first term and common difference of an A.P. then the `8^(th)` term is …..

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Find the first term and common difference for each of the A.P. 5,1,-3,-7

For ths A.P. 1/4, -1/4, -3/4, -5/4 …………, write the first term a and the common difference d. And find the 7th term.

First term and common difference of an A.P. are 6 and 3 respectively : Find S_27

Find the first term and common difference for each of the A.P. 1/4,3/4,5/4,7/4 , …..

If the sum of first 75 terms of an A.P. is 2625, then the 38^(th) term of the A.P. is

Find the first term and common difference for each of the A.P. 127,135,143,151,….

Find the first term and common difference for each of the A.P. 0.6,0.9,1.2,1.5,…..

In an A.P. with first term 'a' and common difference 'd' t_(2n) - t_(n) is : (where t_(n) " is the " n^(th) term )

First term a and common difference d are given below. Find the corresponding A.P., a=5, d=6

NCERT TAMIL-NUMBERS AND SEQUENCES -Progress Check
  1. Say True or False All functions are sequences.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. If G.P if t(1)=(1)/(5) and t(2)=(1)/(25) then the common ratio is .

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  19. Three Non-zero numbers a, b and c will be in G.P. If and only if .

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  20. A series whose terms are in Geometric progression is called …….

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