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f:R rarr R is given by f(x)=(a^(x))/(a^(...

`f:R rarr R` is given by `f(x)=(a^(x))/(a^(x)+sqrt(a))`, `x in R`, then `f((1)/(1997))+f((2)/(1997))+.....+f((1995)/(1997))+f((1996)/(1997))=`
(A) 997 (B) 998 (C) 1997 (D) 1998

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