1.

The sum of n terms of the series (1)/(sqrt(1) + sqrt3) + 1/(sqrt3 + sqrt5) + 1/(sqrt5 +sqrt7) + … is :

Answer»

only (IV) and (V)
only (i), (III) and (iv)
only (II) and (iii)
only (i), (ii), (iii) and (v)

ANSWER :D


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