Question

Calcule z.z em cada caso.
A) z= -3 - 2i

Answer 1

  z = - 3 - 2i

z . z = ( - 3 - 2i ) . ( - 3 - 2i )
z . z = 9 + 6i + 6i + 4i²
z . z = 9 + 12i + 4 .(-1)
z . z  = 9 +12i - 4
z . z = 5 + 12i