Suppose z e C (z is an element of the complex numbers)
Let z = x + yi with x,y e R.
Let (z) = x - yi with x,y e R.
Prove: (z) = z if and only if z is a real number.
I'm having trouble with this proof in both directions. Thanks for any help.
Suppose z e C (z is an element of the complex numbers)
Let z = x + yi with x,y e R.
Let (z) = x - yi with x,y e R.
Prove: (z) = z if and only if z is a real number.
I'm having trouble with this proof in both directions. Thanks for any help.