1.

Sum of n terms of + ……………. isA) \(\cfrac{(2n+1)}n\)B) \(\cfrac{n}{(2n+1)}\)C) \(\cfrac{n+1}n\)D) \(\cfrac{n}{(n+1)}\)

Answer»

Correct option is D) \(\cfrac{n}{(n+1)}\)



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