[" Q.18Let "U(n)=(n!)/((n+2)!)" where "n...

[" Q.18Let "U_(n)=(n!)/((n+2)!)" where "n in N." If "S_(n)=sum_(n=1)^(n)U_(n)" then "lim_(n rarr oo)S_(n)" equals "],[[" (A) "2," (B) "1," (C) "(1)/(2)," (D) non existent "]]

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