Question: Show that the function f:R. R. defined by of all non-zero real numbers. Is the result true, if the domain R. is replaced by

Show that the function f:R. R. defined by of all non-zero real

Show that the function f:R. R. defined by of all non-zero real numbers. Is the result true, if the domain R. is replaced by N with co- domain being same as R.?

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