Square Rule

Reference > Algebra: Imaginary Numbers

Description

The Square Rule states that:

i2=−1{i}^{2}=-1
Examples
i3{i}^{3}
1
Isolate ı2{\imath }^{2}.
ı2ı{\imath }^{2}\imath

2
Use Square Rule: i2=−1{i}^{2}=-1.
−1×ı-1\times \imath

3
Simplify.
−ı-\imath

Done

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