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Find the sum to indicated number of term...

Find the sum to indicated number of terms of the geometric progressions given below:- 0.15, 0.015, 0.0015, ... 20 terms.

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Find the sum to indicated number of terms of the geometric progressions given below:- 1,-a, a^2,-a^3 , ... n terms (if a ne -1 ).

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Find the sum to indicated number of terms of the geometric progressions given below:- sqrt7,sqrt21, 3sqrt7 ,.....n terms.

Find the sums of the indicated number of terms of the following geometric progressions : 2,-1/2,1/8 , ........., n terms, 12 terms.

Find the sums of the indicated number of terms of the following geometric progressions : 1,1/3,1/9 .........., n terms, 5 terms.

Find the sum of indicated number of terms of the following arithmetic progression : 16, 11, 6,..........., n terms, 23 terms.

Find the sums of the indicated number of terms of the following geometric progressions : x^2-y^2,x-y, (x-y)/(x+y) , ...., n terms (x+y ne 1) .

Find the sum of indicated number of terms of the following A.P.’s : - 0.5,-1.0, -1.5 , ............ , 10 terms, 50 terms .

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MODERN PUBLICATION-SEQUENCES AND SERIES-EXERCISE
  1. Find the sums of the indicated number of terms of the following geomet...

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  2. Find the sums of the indicated number of terms of the following geomet...

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  3. Find the sum to indicated number of terms of the geometric progression...

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  4. Find the sum to indicated number of terms of the geometric progression...

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  5. Find the sum to indicated number of terms of the geometric progression...

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  6. Find the sums of the indicated number of terms of the following geomet...

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  7. How many terms of G.P. 3, 3^2, 3^3, ... are needed to give the sum 120...

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  8. How many terms of a G.P. 3,3/2,3/4,......... are needed to give the su...

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  9. Determine the number n of terms of the G.P. 3,6,12, .......... so that...

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  10. Given a G.P. with a= 1,r= sqrt2. Find S20.

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  11. Given a G.P. with a= 729 and 7th term 64, determine S7.

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  12. If {an} is a G.P. and a1=4,r=5, find a6 and S6.

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  13. Find a G.P. for which sum of the first two terms is -4 and the fifth t...

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  14. The sum of first three terms of a G.P. is 16 and the sum of the next t...

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  15. The sum of some terms of GP. is 315 whose first term and the common ra...

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  16. Find the sum to.n terms of the following series 5+ 55 + 555+………..

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  17. Sum to n terms: 9+ 99 + 999 + ......

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  18. Sum to n terms: 3 + 33+ 333 +..........

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  19. Find the sum of the sequence 7, 77, 777, 7777,.....up to n terms.

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  20. Sum to n terms: 8 + 88 + 888+..........

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