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[" The sum of "n" terms of the series "(...

[" The sum of "n" terms of the series "(1/1.2)+],[(1/2.3)+(1/3.4)+......" is "],[" (a) "n/(n+1)],[" (b) "1/(n+1)],[" (c) "1/n],[" (d) None of these "]

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