Show that the sum of `(m + n)^(th) and (m – n)^(th)` terms of an A.P. is equal to twice the `m^(th)` term.

Sum of 25^(th) and 5^(th) elements of an A.P is

The first n^(th) term of a AP is given by

IF m^(th) term of an A.P. is n and n^(th) term is m, then find p^(th) term?

If 29th term of an A.P is twice its 19th term, then the 9th term is

7th term of an A.P. is 40. then the sum of the first 13 terms is

The sum of the 4^(th) and 8^(th) terms of an AP is 24 and the sum of the 6^(th) and 10^(th) terms is 44. Find the first three terms of the AP.

The first term of an AP is a and the n^(th) term is b, the d=

If the 9^(th) terms of an A.P is zero , prove that 29^(th) term is double the 19^(th) term .

The ratio of the sums of m and n terms of an A.P is m^(2):n^(2) . Show that the ratio of m^(th) and n^(th) term is (2m-1) : (2n -1) .