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CBSE Notes 2011-2012 » XI-Maths

Infinite Series

The sum of an infinite G.P. is 6. If its first term is 2, find its common ratio.

Short answer question

The sum of an infinite G.P. is 6. If its first term is 2, find its common ratio.

One side of a square is 10 cm. The mid-points of its sides are joined to form another square whose m...

Short answer question

One side of a square is 10 cm. The mid-points of its sides are joined to form another square whose mid-points are again joined to form one more square and this process is continued infinitely. Find the sum of the areas of all the squares so formed.

Find an infinite G.P. whose first term is 1 and each term is the sum of all the terms which follow i...

Short answer question

Find an infinite G.P. whose first term is 1 and each term is the sum of all the terms which follow it.

The sum of an infinite G.P. is 15 and the sum of the squares of these terms is 45. Find the G.P.

Short answer question

The sum of an infinite G.P. is 15 and the sum of the squares of these terms is 45. Find the G.P.

The sum of first two terms of an infinite G.P. is 15 and each term is equal to the sum of all the te...

Short answer question

The sum of first two terms of an infinite G.P. is 15 and each term is equal to the sum of all the terms following it. Find the G.P.

The first term of a G.P. exceeds the second term by 2 and the sum to infinity is 50. Find the G.P.

Short answer question

The first term of a G.P. exceeds the second term by 2 and the sum to infinity is 50. Find the G.P.

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