Question

1. If z1=2+3i and z2=3-21 then z1+z2,z1-z2,z1•z2 are ​

Answer 1

Answer:

given z1= 2+3i

z2= 3-2i

z1+z2 = 5+i

z1-z2 = -1+5i

z1.z2 = (2+3i) . (3-2i)

= (6-4i +9i +6)

= (12+5i)