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OpenStudy (anonymous):
What is the conjugate of 5-9i
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mathslover (mathslover):
Hello raquel, first of all , welcome to OpenStudy!
mathslover (mathslover):
In order to find the conjugate of a complex number , say, a + bi, you just have to change the sign that is : Conjugate of a + bi is a \(\color{blue}{\bf{-}}\) bi
mathslover (mathslover):
Can you tell me now, what is the conjugate of 5 - 9i ?
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