Question

Find a quadratic equation with integral coefficients having the given roots i√ 5 , -i√ 5

Answer 1

\[(x-i \sqrt{5})(x+i \sqrt{5}) = 0\]
multiply it out for your quadratic equation
[simply subtract the given roots]

Answer 2

it would be (x+i sqrt(5))(x-i sqrt(5))=0
=x^2-(i^2)5=0
x^2+5=0

Answer 3

thank you