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[" The function "f(x)={[(e^((x))-e^(x))/...

[" The function "f(x)={[(e^((x))-e^(x))/(e^(x)),,x<0],[(sin{x})/({tan x}),,,x>0," where "[.]" and "{.}" represent greatest integer and "],[2,,x=0]],[" fractional part functions respectively,is "],[[" (A) "," continuous at "x=0],[" (B) "," discontinuous at "x=0],[" (C) "," continuous at "x=(pi)/(6)],[" (D) "," discontinuous at "x=(pi)/(4)]]

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