The discriminant of a quadratic equation is negative. one solution is 2+3i. what is the other solution?

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asked Jan 5, 2018 150k views

2 Answers

Jenet · Answer 1 · 2018-01-11T18:01:51+0000

negative means it has 2 non-real roots

we assume that the coefients of the equation are real so therefor

if a+bi is a root then a-bi is also a root

if 2+3i is a root then 2-3i is also a root (solution)

the other solution is 2-3i

The discriminant of a quadratic equation is negative. one solution is 2+3i. what is the other solution?

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