KittyMeow0
KittyMeow0 KittyMeow0
  • 13-10-2016
  • Mathematics
contestada

Simplify this imaginary number; sqr -8?

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apologiabiology
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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