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CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
- If k, 2(k+1), 3(k+1) are in GP, Then find the value of k.
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- If the first and the nth terms of a G.P are a and b , respectively, an...
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- Find the sum of first 10 evenwhole number.
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- Find the sum of the natural numbers less than 100, which are divisible...
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- If the terms of the A.P, sqrt(a-x),sqrt(x),sqrt(a+x) are all in integ...
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- For a ,x ,>0 prove tht at most one term of the G.P. sqrt(a-x),sqrt(x),...
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- If 1/1^2+1/2^2+1/3^2+.... upto infty=pi^2/6 , then, find 1/1^2+1/3^2+1...
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- Coefficient of x^(18) in (1+x+2x^2+3x^3++18 x^(18))^2 equal to 995 b. ...
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- Let alpha , beta be the roots of x^2-x+p=0 and gamma,delta be the root...
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- If the sum of the first 2n terms of the AP 2,5,8.....is equal to the s...
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- Statement 1: If the arithmetic mean of two numbers is 5/2 geometric ...
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- Number of positive integral ordered pairs of (x,y), so that 8,x,y are ...
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- If three positive real numbers a,b ,c are in A.P such that a b c=4 , t...
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- Consider an infinite geometric series with first term a and common rat...
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- The maximum sum of the series 20+19 1/3+18 2/3+...... is (A) 310 (B) ...
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- The sum of n terms of a progression is (2^n-1). Show that it is a GP a...
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- Let a1 , a2 ,... be in harmonic progression with a1 = 5 and a20 = 25. ...
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- An infinite G.P. has first term as a and sum 5, then a belongs to a) |...
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- Let Ssub(0,pi) denote the set of values of x satisfying the equation 8...
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- Find the number of terms of a G.P. whose first term is ¾, common ratio...
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