Square Rule

Reference > Algebra: Imaginary Numbers

Description

The Square Rule states that:

\({i}^{2}=-1\)
Examples
\[{i}^{3}\]
1
Isolate \({\imath }^{2}\).
\[{\imath }^{2}\imath \]

2
Use Square Rule: \({i}^{2}=-1\).
\[-1\times \imath \]

3
Simplify.
\[-\imath \]

Done

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