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MODERN PUBLICATION-SEQUENCES AND SERIES-EXERCISE
- Let Tr be the rth term of an A.P. whose first term is a and common dif...
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- An infinite G.P. has first term ‘x’ and sum ‘5’, then x belongs to ,
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- If x= sum(n=0)^(oo) a^n, y=sum(n=0)^(oo) b^n, z= sum(n=0)^(oo) c^n, wh...
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- In the quadratic equation ax^2 + bx + c = 0. if delta = b^2-4ac and al...
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- The value of underset(n=1)overset(10)sum (sin . (2 n pi)/(11)- cos. (2...
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- Let a(1),a(2),a(3),"........." be terms are in AP, if (a(1)+a(2)+".......
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- If a geometric progression consisting of positive terms, each term equ...
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- The first two terms of a geometric progression add upto 12 the sum of ...
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- 1+2/3+6/(3^2)+10/(3^3)+14/(3^4)+...oo=
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- If the sum of first n terms of an AP is cn^(2), then the sum of square...
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- A person is to count 4500 currency notes, Let an denote the number of ...
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- A man saves Rs. 200 in each of the first three months of his service. ...
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- Let a(n) be the nth term of an AP, if sum(r=1)^(100)a(2r)= alpha " and...
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- The difference between any two consecutive interior angles of a polygo...
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- Find the sum Sn of the cubes of the first n terms of an A.P. and show ...
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- In a G.P the sum of the first and last terms is 66, the product of the...
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- The sum of first ten terms of an A.P. is 155 and the sum of first two ...
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- Find three numbers a,b,c between 2 and 18 such that : their sum is 25....
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- Find three numbers a,b,c between 2 and 18 such that : their sum is 25....
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- Find three numbers a,b,c between 2 and 18 such that : their sum is 25....
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