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Mathematics 11 Online
OpenStudy (anonymous):

Which of the following is the conjugate of a complex number with 2 as the real part and −4 as the imaginary part?

OpenStudy (anonymous):

2 − 4i 2 + 4i 4i + 2 4i − 2

OpenStudy (anonymous):

@iGreen

OpenStudy (anonymous):

2+4i

jimthompson5910 (jim_thompson5910):

hint: given a number a+bi the complex conjugate is a - bi

OpenStudy (anonymous):

in taking complex conjugate you just have to replace i by -i...

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