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CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
- The coefficients of x^n in (1+x/(1!)+x^2/(2!)+……+x^n/(n!))^2 is
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- If x^2+9y^2+25 z^2=x y z((15)/x+5/y+3/z), then x ,y ,a n dz are in a...
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- Find the conjugate of the following: sqrt (-3)
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- The x=1111....1 of 91 times of is a (a) Even number. (b) Prime numbe...
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- Which term of the AP 64, 60, 56, 52, 48 ,.... is 0 .
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- Statement 1: Sum of the series 1^3-2^3+3^3-4^3++11^3=378. - Statement ...
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- Statement 1: 1^(99)+2^(99)++100^(99) is divisible by 10100. Statement...
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- Find the nth term of the AP 8, 3, -2, -7, -12,....
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- The sum of three consecutiveterms of an AP is 21, and the sum of the s...
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- Let a1 , a2 , a3,.... be terms of an A.P. if (a1 + a2 +....+ ap)/(a1 +...
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- Consider an A.P. a1, a2, a3,......... such that a3+a5+a8=11 and a4+a2...
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- If the sum of n terms of an A.P is cn (n-1) where c ne 0 then find the...
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- If |a|<1a n d|b|<1, then the sum of the series 1+(1+a)b+(1+a+a^2)b^2+(...
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- Find the sum of odd intergers from 1 to 201.
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- If a1, a2, a3(a1>0) are three successive terms of a G.P. with common r...
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- Three numbers form an increasing G.P. If the middle number is doubled,...
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- If S1,S2, S3, Sm are the sums of n terms of m A.P. ' s whose first ter...
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- If S1,S2 and S3 be respectively the sum of n, 2n and 3n terms of a G.P...
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- There are 4n + 1 terms in a sequence of which first 2n + 1 are in Arit...
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- If (p+q)t h term of a G.P. is a and its (p-q)t h term is b where a ,b ...
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