Evaluate: frac11+i\\frac{1}{1 + i}frac11+i.
frac12−frac12i\\frac{1}{2} - \\frac{1}{2}ifrac12−frac12i
frac12+frac12i\\frac{1}{2} + \\frac{1}{2}ifrac12+frac12i
1−i1 - i1−i
−1+i-1 + i−1+i