Home
Class 12
MATHS
Prove that the sum of the G.P. (a+b+….l)...

Prove that the sum of the G.P. (a+b+….l) is `(b l - a^(2))/(b-a)`.

Promotional Banner

Similar Questions

Explore conceptually related problems

The first term, last term and common difference of an A.P are respectively a, l and 1. Prove that the sum of this A.P. is (1)/(2)(a+b)(1-a+b).

The first term, last term and common difference of an A.P are respectively a, l and 1. Prove that the sum of this A.P. is (1)/(2)(a+b)(1-a+b).

If a+b+.... + l is a G.P., prove that its sum is (bl-a^(2))/(b-a) .

If a, b,c are in G.P., prove that the following are also in G.P. : a^(2),b^(2),c^(2) .

If a, b,c are in G.P., prove that the following are also in G.P. : a^(2)+b^(2),ab+bc,b^(2)+c^(2) .

If a ,\ b\ c are in G.P., prove that the following are also in G.P.: a^2, b^2, c^2

Prove that, a, b,c are in A.P., G.P. or, H.P. accordingly as (a-b)/(b-c) = 1 or (a)/(b) or, (a)/(c ) .

If a ,b,c , d are in G.P. prove that (a-d)^(2) = (b -c)^(2)+(c-a)^(2) + (d-b)^(2)