KittyMeow0 KittyMeow0

13-10-2016
Mathematics

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Simplify this imaginary number; sqr -8?

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apologiabiology apologiabiology

13-10-2016

remember
i=√-1
i²=-1
√(ab)=(√a)(√8)

so

√-8=(√-1)(√8)=(i)(√2*2*2)=i(2√2)=2i√2

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