Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!
F(x) = x if x is rational, 0 if x is irrational.
Have something to add?
 Similar Discussions: F(x) = x if x is rational, 0 if x is irrational.

Prove that if f(a) = 0, then f(x) = (xa)g(x) (Replies: 3)

Lim f'(x)=0 implies lim f(x)/x = 0 (Replies: 2)

Prove that f(x) = 0 for all x in [a, b] (Replies: 2)

F(x) is a rational number (Replies: 3)
Loading...