I don't know where to start... It's a multiple-choice question: I can choose from $\sqrt{2}, 0, 2, 1$
Thank you!
I don't know where to start... It's a multiple-choice question: I can choose from $\sqrt{2}, 0, 2, 1$
Thank you!
$e^{i\pi/4}(1-i)=(1-i)(1+i)\frac{\sqrt{2}}{2}=2\frac{\sqrt{2}}{2}=\sqrt{2}$