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CBSE Notes 2011-2012 » XI-Maths

Infinite Series

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.

Find the values of p,if sum to infinity for the G.P. p,1,1/p,.....is25/4.

Short answer question

Find the values of p,if sum to infinity for the G.P. p,1,1/p,.....is25/4.

One side of an equilateral triangle is 18 cm. The mid points of its sides are joined to form another...

Short answer question

One side of an equilateral triangle is 18 cm. The mid points of its sides are joined to form another triangle whose mid-points are joined again to form another triangle. This process is repeated infinitely. Find the sum of the perimeters of all the triangles.

In an infinite G.P. each term is equal to twice the sum of all the terms which follow it and the sum...

Short answer question

In an infinite G.P. each term is equal to twice the sum of all the terms which follow it and the sum of

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.

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