For every complex number z we have: (1) |z| = |conj(z)| = || (2) |z|2 = z*conj(z) = z (3) conj(conj(z)) = = z Context
(1) |z| = |conj(z)| = || (2) |z|2 = z*conj(z) = z (3) conj(conj(z)) = = z
(2) |z|2 = z*conj(z) = z
(3) conj(conj(z)) = = z
Left as exercises.