Hi! I'm struggling with a question from a past paper:
Let C denote the set of complex numbers and define a mapping d:C x C > R by the rule,
d(x,y) = 0, x=y
= |x|+|y| x doesn't = y.
I need to prove that (C,d) is a metric space....help please!!
Abi
Hi! I'm struggling with a question from a past paper:
Let C denote the set of complex numbers and define a mapping d:C x C > R by the rule,
d(x,y) = 0, x=y
= |x|+|y| x doesn't = y.
I need to prove that (C,d) is a metric space....help please!!
Abi