If the `m^(th)` term of an A.P. is `1/n` and the `n^(th)` term is `1/m`, show that the sum of mn terms is `1/2(mn+1)`.

If the m^(th) term of an A.P.is (1)/(n) and the n^(th) terms is (1)/(m), show that the sum of mn terms is (1)/(2)(mm+1)

If the m^(th) term of an A.P.is (1)/(n) and the n^(th)term is (1)/(m), show that the sumof mn terms is (1)/(2(mn+1)where)m!=n

If the m^(th) term of an H.P. is n and the n^(th) term is m, show that its (mm)^(th) term is 1.

If the 10^(th) term of an A.P. is 1/5 and its 20^(th) term is 1/3 , then the sum of its first 150 terms is:

The m^(th) term of an A.P. is n and n^(th) term is m its p^(th) term is

If mth term of an AP is 1/n and its nth term is 1/m, then show that its (mn) th term is 1

If the mth term of an AP is 1/n and nth term is 1/m, then find the sum to mn terms.

If p th term of an A.P. is 1/q and q th term is 1/p prove that the sum of the first pq terms is 1/2[pq+1]