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CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
- If a,b,c ,d and p are distinct real number such that (a^2+b^2+c^2)p^2-...
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- If A.M. and G.M. between two numbers is in the ratio m : n then prove...
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- Prove that (666....6)^2+(888....8)=4444.....4.
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- If a is the A.M. of b and c and the two geometric mean are G1 and G2...
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- If a,b,c ,d are distinct integer in AP such that d=a^2+b^2+c^2, then a...
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- The 8th and 14th term of a H.P. are 1/2 and 1/3, respectively. Find it...
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- Find the number of common terms to the two sequences 17,21,25,...,417 ...
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- If the 20th term of a H.P. is 1 and the 30th term is -1/17, then find...
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- Find the sum 3/2-5/6+7/(18)-9/(54)+...oodot
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- If a ,b ,ca n dd are in H.P., then prove that (b+c+d)//a ,(c+d+a)//b ,...
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- The harmonic mean between two numbers is 21/5, their A.M. ' A ' and G....
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- The mth term of a H.P is n and the nth term is m . Proves that its rth...
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- The pth term of an A.P. is a and qth term is bdot Then find the sum o...
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- If agt1,bgt1andcgt1 are in G.P., then show that 1/(1+log(e)a),1/(1+log...
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- Solve the equation (x+1)+(x+4)+(x+7)+....+(x+28)=155.
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- If a ,b ,a n dc be in G.P. and a+x ,b+x ,and c+x in H.P. then find the...
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- The ratio of the sum of m and n terms of an A.P. is m^(2) :n^(2). Show...
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- If first three terms of the sequence 1/16 ,a , b , 1/6 are in geometri...
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- The sum of n ,2n ,3n terms of an A.P. are S1S2, S3, respectively. Prov...
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- In a certain A.P., 5 times the 5th term is equal to 8 times the 8th ...
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