I've been messing around with numbers (as you do) and I'm wondering why this occurs..(adsbygoogle = window.adsbygoogle || []).push({});

lets let a = b-c.

√a

= √(b-c)

=√(-(c-b))

=i√(c-b)

=i√(-(b-c))

=i^{2}√(b-c)

=-√(b-c)

=-√a

For example if you let a = 1, b = 2, and c = 1.

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# Why does a = -a?

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