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CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
- If a ,b ,c ,and d are in H.P., then find the value of (a^(-2)-d^-2)/(b...
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- Prove that a sequence in an A.P., if the sum of its n terms is of the ...
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- The product of the three numbers in G.P. is 125 and sum of their pr...
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- If the sequence a1, a2, a3,....... an ,dot forms an A.P., then prove ...
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- Find the value of n so that (a^(n+1)+b^(n+1))/(a^n+b^n) may be the g...
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- Three non-zero numbers a ,b , c are in A.P. Increasing a by 1 or incre...
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- A G.P. consists of an even number of terms. If the sum of all the t...
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- If a, b, c and d are in G.P. show that (a^2+b^2+c^2)(b^2+c^2+d^2)=(a ...
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- If the sum of n terms of a G.P. is 3-(3^(n+1))/(4^(2n)) , then find ...
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- Which term of the G.P. 2,1, 1/2,1/4, i s1/(128)?
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- 'n' A.M's are inserted between a and 2b, and then between 2a and b. If...
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- If (a^n+b^n)/(a^(n-1)+b^(n-1)) is the A.M. between a and b, then find ...
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- The first and second terms of a G.P. are x^(-4) and x^n , respectively...
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- If (a+b x)/(a-b x)=(b+c x)/(b-c x)=(c+dx)/(c-dx)(x!=0), then show t...
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- If n arithmetic means are inserted between 2 and 38, then the sum of t...
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- The first terms of a G.P. is 1. The sum of the third and fifth ter...
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- If a ,b ,c ,d ,e ,f are A.M.s between 2 and 12, then find the sum a+b+...
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- Three positive numbers from an increasing G.P. If the middle term in t...
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- Divide 28 into four parts in an A.P. so that the ratio of the product ...
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- The fourth, seventh, and the last term of a G.P. are 10, 80, and 2560,...
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