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by **honest_denverco09** on Wed Apr 15, 2009 2:51 am

My question is that how can i find the conjugate of complex number that does not have the imaginary number or the real number part ? Do we just need to change the sign of the imaginary part in the complex number in form of a + bi to find its conjugate ? :confused:

Thank!

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by **Martingale** on Wed Apr 15, 2009 3:12 am

honest_denverco09 wrote:My question is that how can i find the conjugate of complex number that does not have the imaginary number or the real number part ? Do we just need to change the sign of the imaginary part in the complex number in form of a + bi to find its conjugate ?
Thank!

if $z=a+bi$

then the complex conjugate of z is

$\bar{z}=a-bi$

by **honest_denverco09** on Thu Apr 16, 2009 12:50 am

Is the real number like "-2" is a complex number ?
If so, What is the conjugate of "-2" ?

by **Martingale** on Thu Apr 16, 2009 12:58 am

honest_denverco09 wrote:Is the real number like "-2" is a complex number ?
If so, What is the conjugate of "-2" ?

$\bar{-2}=-2$

Add: you can always write any real number c as c+0i

or in your case -2+0i

by **honest_denverco09** on Thu Apr 16, 2009 2:27 am

Thank a lot

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