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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
- Let the terms a(1),a(2),a(3),…a(n) be in G.P. with common ratio r. Let...
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- IF a(1),a(2),a(3),"...."a(10) be in AP and h(1),h(2),h(3),"...."h(10) ...
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- The harmonic mean of the roots of the equation (5+sqrt(2))x^2-(4+sqrt(...
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- Find the sum (x+2)^(n-1)+(x+2)^(n-2)(x+1)^+(x+2)^(n-3)(x+1)^2++(x+1)^(...
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- If l n(a+c),l n(a-c) and l n(a-2b+c) are in A.P., then (a) a ,b ,c ...
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- If a ,b ,a n dc are in G.P., then the equations a x^2+2b x+c=0a n ddx^...
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- Sum of the first n terms of the series 1/2+3/4+7/8+(15)/(16)+............
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- The third term of a geometric progression is 4. Then the product of t...
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- In triangle ABC medians AD and CE are drawn, if AD=5, angleDAC= pi/8 a...
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- Suppose a ,b, and c are in A.P. and a^2, b^2 and c^2 are in G.P. If...
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- If x ,y ,a n dz are pth, qth, and rth terms, respectively, of an A.P....
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- Sum of 1/(sqrt(2)+sqrt(5))+1/(sqrt(5)+sqrt(8))+1/(sqrt(8)+sqrt(11))+1/...
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- If a ,b ,a n dc are in H.P., then th value of ((a c+a b-b c)(a b+b c-a...
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- If a1, a2, a3, an are in H.P. and f(k)=(sum(r=1)^n ar)-ak ,t h e n (a...
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- If a ,b ,c are in A.P., the a/(b c),1/c ,1/b will be in a. A.P b. G.P....
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- Let a+a r1+a r1 2++ooa n da+a r2+a r2 2++oo be two infinite series of ...
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- The coefficient of the quadratic equation a x^2+(a+d)x+(a+2d)=0 are co...
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- Let S denote sum of the series 3/(2^3)+4/(2^4 .3)+5/(2^6 .3)+6/(2^7 .5...
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- Let the sum of first three terms of G.P. with real terms be 13/12 and ...
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- Given a,b,c are in A.P.,b,c,d are in G.P and c,d,e are in H.P .If a=2 ...
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