Question

8) If z1= 3+2i and z2 = 1- 3i , then find the modulus of z1 and z2.

also verify that |z1 z2 | = | z1| | z2 |​

Answer 1

Answer:

ANSWER

z

1

=3+4i

z

2

=−4+3i

z=z

1

+z

2

∴z=(3+4i)+(−4+3i)

∴z=(−1+7i)

∴∣z∣=5

2