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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
- 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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- Let n in N ,n > 25. Let A ,G ,H deonote te arithmetic mean, geometric...
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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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- In a sequence of (4n+1) terms, the first (2n+1) terms are n A.P. whose...
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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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- Find the sum of n terms of the series whose nth term is T(n)=tanx/(2^n...
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- The value of sum(i=0)^oosum(j=0)^oosum(k=0)^oo1/(3^i3^j3^k) is
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- Let a1,a2,.........an be real numbers such that sqrt(a1)+sqrt(a2-1)+...
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- If log(2)(5xx2^(x)+1),log(4)(2^(1-x)+1) and 1 are in A.P., then x equa...
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- Let S(k), where k = 1,2,....,100, denotes the sum of the infinite geom...
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- If x=sum(n=0)^oocos^(2n)theta,y=sum(n=0)^oosin^(2n)varphi,z=sum(n=0)^o...
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- The real numbers x1, x2, x3 satisfying the equation x^3-x^2+b x+gamma=...
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- Let a, b, c, d be real numbers in G.P. If u, v, w satisfy the system...
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- The sum of the first three terms of a strictly increasing G.P. is alph...
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- If (log)3 2,(log)3(2^x-5) and (log)3(2^x-7/2) are in arithmetic progre...
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