How do I simplify: i^2 (square root 19)^2 ?

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[...I know it has to be 19 multiplied by something, but I just don't know what...]

Guest Aug 27, 2015

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Best Answer

${{i}}^{{\mathtt{2}}}$ is equal to -1

EthanPendence Aug 27, 2015

EthanPendence · Answer 1 · 2015-08-27T08:23:40

${{i}}^{{\mathtt{2}}}$ is equal to -1