Question
Answer
$$-i^{11}=i$$
Explanation
| $$ \begin{aligned}-i^{11}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}i\end{aligned} $$ | |
| ① | $$ -i^{11} = - i^{4 \cdot 2 + 3} =
- \left( i^4 \right)^{ 2 } \cdot i^3 =
- 1^{ 2 } \cdot (-i) =
- -i = i $$ |
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