Question

Find multiplicative inverse of z = -2+3i

Answer 1

Answer:

Step-by-step explanation:

Multiplicative inverse of z=-2+3i is

1/z=1/-2+3i

(-2-3i)/(-2+3i)(-2-3i)

=-2-3i/{(-2)²-(3i)²}

=-2-3i/4-9i²

= -2-3i/(4+9)

= (-2-3i)/13.