Question
Answer
$$3i\cdot2i=-6$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}3i\cdot2i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}6i^2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-6\end{aligned} $$ | |
| ① | $$ 3 i \cdot 2 i = 6 i^{1 + 1} = 6 i^2 $$ |
| ② | $$ 6i^2 = 6 \cdot (-1) = -6 $$ |
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