Question

find multiplicative inverse of 1+i​

Answer 1

Answer:

$\frac{1}{1 + i} \times \frac{1 - i}{1 - i} = \frac{1 - i}{ {1}^{2} - {i}^{2} } \\ = \frac{1 - i}{1 - ( - 1)} = \frac{1 - i}{2}$