1.

Prove that =

Answer»

Answer:

\<klux>SQRT</klux>{-<klux>1</klux>}=\frac{1}{\sqrt{-1} }

Step-by-step explanation:

[tex] \sqrt{ - 1} = \frac{1}{ \sqrt{ - 1} } (to \: PROVE) \\ \frac{1}{ \sqrt{ - 1} } \TIMES \frac{ \sqrt{ - 1} }{ \sqrt{ - 1} } = \frac{ \sqrt{ - 1} }{ ({ \sqrt{ - 1} })^{2} }[\tex] = √-1


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