Question
Answer
$$5-4\cdot\dfrac{i}{i}=1$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}5-4 \cdot \frac{i}{i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}5-4\cdot1 \xlongequal{ } \\[1 em] & \xlongequal{ }5-4 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}1\end{aligned} $$ | |
| ① | Divide $ \, i \, $ by $ \, i \, $ to get $\,\, 1 $. ( view steps ) |
| ② | Combine like terms: $$ \color{blue}{5} \color{blue}{-4} = \color{blue}{1} $$ |
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