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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
- 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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- If p is the first of the n arithmetic means between two numbers and q ...
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- If S1, S2 ,S3,.........Sn,........ are the sums of infinite geometri...
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- The interior angles of a polygon are in arithmetic progression. The sm...
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- If a1,a2,a3, ,an are in A.P., where ai >0 for all i , show that 1/(sqr...
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- How many geometric progressions are possible containing 27, 8 and 12 a...
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- Find three numbers a,b,c between 2 & 18 such that; their sum is 25; th...
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- Find the sum 1+2(1+1/50)+3(1+1/50)^(2)+…50 terms.
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- The sum of 50 terms of the series 3/(1^2)+5/(1^2+2^2)+7/(1^2+2^2+3^2)+...
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