±(1+i)\pm(1+i)±(1+i)
±(12+i)\pm\left(\frac{1}{2}+i\right)±(21+i)
±12(1+i)\pm \frac{1}{\sqrt{2}}(1+i)±21(1+i)
±2(1+i)\pm \sqrt{2}(1+i)±2(1+i)