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[" Let "f(n)=(4n+sqrt(4n^(2)-1))/(sqrt(2...

[" Let "f(n)=(4n+sqrt(4n^(2)-1))/(sqrt(2n+1)+sqrt(2n-1)),n in N" then the remainder when "f(1)+f(2)+f(3)+....f(60)" is "],[" divided by "9" is."]

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