Question: Show that f (x) is a discontinuous function for all x where f (x) is defined as follows: Show that f (x)2 is continuous for

Show that f (x) is a discontinuous function for all x where f (x) is defined as follows:
Show that f (x) is a discontinuous function for all

Show that f (x)2 is continuous for all x.

1 for x rational f(x)=I-1 for x irrational

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