Question

$is \: \sqrt{ - 2} \: \: \: possible$
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Answer 1

Answer:

$\sqrt{ - 2} \: is \: not \: posible \: as \:root over negative \: integers \: are \: not \: defined \\ but \: for \: solving \: such \: type \: of \: equation \: we \: use \: i = \sqrt{ - 1} \: under \: complex \: aurgement \: \\ for \: exmpl \: \\ \sqrt{ - 2} = \sqrt{2} i$