Let be the term of an A.P. for , If for some positive integers we have and , then equals...

Let T_{r} be the r^{{th}{~}} term of an A.P. for r = 1,2,3, If for some positive integers m,n we have T_{m}=\frac{1}{n} and T_{n}=\frac{1}{m}, then T_{mn} equals: Sequence & Series (Mathematics)

Let

T_{r}

be the

r^{\text{th}\text{~}}

term of an A.P. for

r = 1,2,3

\_\_\_\_

If for some positive integers

m,n

we have

T_{m}=\frac{1}{n}

and

T_{n}=\frac{1}{m}

, then

T_{mn}

equals