Question

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

Answer 1

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

Answer 2

the conjugate of a+bi is a - bi

Answer 3

you have to look in the conjugate space

Answer 4

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

Answer 5

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

Answer 6

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

Answer 7

Yes indeed :P @klovic

Answer 8

Thanks everyone!

Answer 9

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