(1) If
z_(1)=1-j3,z_(2)=-2+j5
and
z_(3)=-3-j4
, determine in Cartesian form: (a)
z_(1)z_(2)
(b)
(z_(1))/(z_(2))
(c)
(z_(1)z_(2))/(z_(1)+z_(2))
(d)
z_(1)z_(2)z_(3)