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CHHAYA PUBLICATION-SEQUENCE AND SERIES-Exercise 9 C (Long Answer Type Questions)
- The sum of three numbers in A.P. is 18. If 2, 2, 6 are added respectiv...
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- Three terms are in G.P. Their product is 216. If 4 be added to the fir...
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- Find the sum to n terms of each of the following series : 1 + 11 + 1...
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- Find the sum to n terms of each of the following series : 2 + 22 + ...
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- 0.8 + 0.88 + 0.888 + …
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- Find the sum to n terms of each of the following series : 0.6 + 0.6...
08:45
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- Find the sum to n terms of each of the following series : 1 + 4 + 1...
07:12
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- Three unequal numbers a, b, c are in A.P. and a, (b-a), (c-a) are in G...
06:12
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- If a, c, b are in A.P. and b, c, d are in G.P. prove that, b, (b-c), (...
06:25
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- The first term of an A.P. is the same as that of a G.P., the common di...
03:05
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- Find the sum to n terms : (1)/(2) + (3)/(2^(2)) + (5)/(2^(3)) +…+ (2...
05:51
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- Find the sum to n terms : 2 + 3.3 + 4.3^(2) + 5.3^(3) +…
05:50
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- Find the sum to n terms : 12 + 105 + 1008 + 10011+…
02:42
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- Find the sum to n terms : 12 + 14 + 24 + 58 + 164+…
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- The rth term of a series is (2r + 1)2^(r ), find the sum of first n te...
09:26
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- If one geometric mean G and two arithmetic means p, q be inserted betw...
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- A, B, C have together Rs. 5700 and the amount of money possessed by th...
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- If the (m + 1)th, (n + 1)th and (r + 1)th terms of an A.P. are in G.P....
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- The sum of first ten terms of an A.P. is 155 and the sum of first two ...
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- The pth , qth and rth terms of an A.P. are in G.P. Prove that the comm...
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