If the first two terms of a H.P are 2/5 and 12 /13 respectively . Then find the largest term.

Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 respectively If the sum of the terms of the A.P is 40, find the number of terms in the A.P.

The 5^(th) and 7^(th) terms of a G.P. are 12 and 48 respectively. Then the 9^(th) term is

If the first and the n^(th) terms of a G.P. are a and b respectively and if p is the product of n terms, prove that p^2=(ab)^n

The 6^(th) and 17^(th) terms of an A.P are 19 and 41 respectively, find the 40^(th) term.

The fourth, seventh and the last term of a G.P. are 10, 80 and 2560, respectively. Then the first term and number of terms in the G.P. are, respectively,

Suppose that the 6^(th) and 17^(th) terms of an A.P. are 19 and 41 respectively Find the first term and the common difference of the A.P.

The sum of some terms of G.P.is 315 . whose first term and the common ratio are 5 and 2, respectively. Find the last term and the number of terms.

The sum of some terms of a GP is 315 whose first term and the common ratio are 5 and 2 respectively. Find the last term and the number of terms.

The fourth, seventh and the last term of a G.P. are 10,80 and 2560 respectively. Find the first term and the number of terms in the G.P?

If the first and the n^( th) term of a . G . P are a and b , respectively, and if P is the product of n terms, prove that P^2=(a b)^n .