# How do you divide (1)/(1+i)?

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