Question

find the multiplicative inverse of 3-2i/4+2i​

Answer 1

Answer:

Let z be the multiplicative inverse of 3+2i. then

⇒ z.(3+2i)=1⇒z=

3+2i

1

=

(3+2i)(3−2i)

3−2i

⇒ z=

13

3

−

13

2

i

(

13

3

−

13

2

i)