Question
Answer
$$i^8=1$$
Explanation
| $$ \begin{aligned}i^8& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}1\end{aligned} $$ | |
| ① | $$ i^8 = i^{4 \cdot 2 + 0} =
\left( i^4 \right)^{ 2 } \cdot i^0 =
1^{ 2 } \cdot 1 =
1 $$ |
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