Find the sum of 7 terms of the sequence ...

Find the sum of 7 terms of the sequence 2, 6, 18,……

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The correct Answer is:

2186

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KUMAR PRAKASHAN-SEQUENCE AND SERIES-Solutions of NCERT Exemplar Problems -Question of Module

Find the sum of 7 terms of the sequence 2, 6, 18,……
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The terms 1,1,2,3,5,8,13,……respresents which sequence?
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Which is the sequence whose terms are not finite?
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What does a(1) + a(2) + a(3) + …..+ a(n) represent
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Give new series by adding 2 in each term of arithmetic sequence 2,4,6,...
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Find twelveth term of A.P. 4, 8, 12…….
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3 + 6+ 9 +…….Find sum of n terms.
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4 + 8 + 12+…….Find sum of first 15 terms.
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Obtain arithmetic mean of 2 and 128
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Insert 5 arithmetic mean between 3 and 4.
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Find 8^(th) term of geometric sequence 3, 6,12,….
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Find n^(th) term of Geometric sequence 1,3,9,27,……
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Find S(n) for geometric sequence 4, 8, 15, 32,……
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Find sum of first 10 terms of geometric series 3,9, 27,……
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Find geometric mean of numbers 5 and 125.
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Insert 3 geometric mean between 4 and 64.
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The arithmetic and geometric mean of two positive numbers are 8 and 4 ...
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If A and G be A.M. and G.M., respectively between two positive numbers...
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Find value : 5^(2) + 6^(2) + 7^(2)+ …….+ 25^(2)
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Prove the following by using the principle of mathematical induction f...
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