Find the sum to indicated number of term...

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

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Find the sum to indicated number of terms of the geometric progressions given below:- x^3, x^5, x^7, ... n terms( if x ne +-1 ).

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 ).

Find the sum to indicated number of terms of the geometric progressions given below:- 0.15, 0.015, 0.0015, ... 20 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 : 5, 2, -1, - 4, -7, ......., n terms.

Find the sum of indicated number of terms of the following A.P.’s : -1, 1/4, 3/2 , ....... , 81 terms.

Find the sum to n terms of the series given below whose nth terms is given by n^2 + 2^n

MODERN PUBLICATION-SEQUENCES AND SERIES-EXERCISE

Evaluate sum(k=1)^11(2+ 3^k).
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Evaluate : sum(i=1)^18 (2^i +3^(i-1)).
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Find the sum to indicated number of terms of the geometric progression...
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Find the sums of the indicated number of terms of the following geomet...
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Find the sums of the indicated number of terms of the following geomet...
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Find the sum to indicated number of terms of the geometric progression...
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Find the sum to indicated number of terms of the geometric progression...
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Find the sum to indicated number of terms of the geometric progression...
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Find the sums of the indicated number of terms of the following geomet...
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How many terms of G.P. 3, 3^2, 3^3, ... are needed to give the sum 120...
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How many terms of a G.P. 3,3/2,3/4,......... are needed to give the su...
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Determine the number n of terms of the G.P. 3,6,12, .......... so that...
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Given a G.P. with a= 1,r= sqrt2. Find S20.
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Given a G.P. with a= 729 and 7th term 64, determine S7.
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If {an} is a G.P. and a1=4,r=5, find a6 and S6.
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Find a G.P. for which sum of the first two terms is -4 and the fifth t...
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The sum of first three terms of a G.P. is 16 and the sum of the next t...
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The sum of some terms of GP. is 315 whose first term and the common ra...
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Find the sum to.n terms of the following series 5+ 55 + 555+………..
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Sum to n terms: 9+ 99 + 999 + ......
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