Question
Answer
$$iwiw=-w^2$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}iwiw& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}i^2w^2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-w^2\end{aligned} $$ | |
| ① | $$ i w i w = i^{1 + 1} w^{1 + 1} = i^2 w^2 $$ |
| ② | $$ i^2 = -1 $$ |
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