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Mathematics 10 Online
OpenStudy (anonymous):

conjugate of -8-4i

OpenStudy (unklerhaukus):

For a complex number \[z=a+ib\] The complex conjugate is \[z^*=a-ib\]

OpenStudy (unklerhaukus):

so just change the sign of the imaginary coefficient

OpenStudy (anonymous):

so -8+4i?

OpenStudy (unklerhaukus):

yes that is correct.

OpenStudy (anonymous):

thank you!

OpenStudy (unklerhaukus):

Welcome to OpenStudy ! \(\ddot\smile\)

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