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If the mth term of A.P. be and nth term be then show that its (mn)th is term is 1.

Asked by Topperlearning User 19th November 2013, 11:08 PM
Answered by Expert

Let a and d be the first term and common difference respectively of the given A.P.Then,



            Subtracting equation (ii) from equation (i), we have




                    Putting               in equation (i), we have        



                    (mn) term =   Ans.

Answered by Expert 20th November 2013, 1:08 AM
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