Torï559 Torï559

31-05-2016
Mathematics

contestada

square root of -25 in imaginary form

Respuesta :

31-05-2016

root (-25) = root(-1) * root(25)
in imaginary form we know that root(-1) = i
so root(-25) = 5 i

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apologiabiology apologiabiology

31-05-2016

remember
√(mn)=(√m)(√n)

and
√-1=i

√-25=(√-1)(√25)=(i)(5)
aswer is +/-5i

Answer Link

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