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Mathematics 8 Online
OpenStudy (anonymous):

How do I find the conjugate of 1-3i?

OpenStudy (anonymous):

replace the \(-\) by a \(+\)

jimthompson5910 (jim_thompson5910):

the conjugate of a+bi is a - bi

OpenStudy (anonymous):

you have to look in the conjugate space

jimthompson5910 (jim_thompson5910):

conversely, the conjugate of a-bi is a+bi

OpenStudy (anonymous):

so it's just 1+3i? Thats really simple!

OpenStudy (anonymous):

you have to look in outer space yeah, pretty simple right?

terenzreignz (terenzreignz):

Yes indeed :P @klovic

OpenStudy (anonymous):

Thanks everyone!

OpenStudy (ybarrap):

Reflect about the x-axis, same as changing the sign of the imaginary part of the complex number.

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