1.

Let T_rbe the rth term of an A.P., for r=1,2,3,If for some positive integers m ,n ,we have T_m=1/na n dT_n=1/m ,t h e nT_(m n)equals1/(m n)b. 1/m+1/nc. 1d. 0

Answer»

1/mn
1/m+1/n
1
0

Answer :C


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