Question

If z=4-7i , then additive inverse of z lies in : *​

Answer 1

Answer:

Additive Inverse of Z is

$\frac{1}{z} = \frac{1}{4 - 7i} = \frac{4 + 7i}{(4 - 7i)(4 + 7i)} = \frac{4 + 7i}{16 + 49} = \frac{4 + 7i}{65} = \frac{4}{65} + \frac{7}{65} i$