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Let f(x) be a quadratic equation withe real coefficients. One of the roots is a + bi, what is the other root?

 Jan 26, 2021
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Complex roots  of a quadratic   always     have  the forms

 

a +  bi      and     a   -  bi

 

These are known as conjugate pairs

 

cool cool cool

 Jan 26, 2021

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