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06-02-2017
Mathematics

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Write a quadratic equation whose roots are 5 + i radical 2 and 5 – i radical 2
__ x^2 + _ x+ ____=0

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apologiabiology apologiabiology

06-02-2017

for roots r1 and r2, the factors are (x-r1)(x-r2)

given
r1 and r2 arer 5+i√2 and 5-i√2

(x-(5+i√2))(x-(5-i√2))=
(x-5-i√2)(x-5+i√2)=
remember that i²=-1
x²-10x+27

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