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Mathematics 18 Online
OpenStudy (gabylovesyou):

Which of the following expressions is the conjugate of a complex number with −6 as the real part and −5i as the imaginary part? 6 + 5i 6 − 5i −6 − 5i −6 + 5i

OpenStudy (gabylovesyou):

@mathstudent55

OpenStudy (welshfella):

the conjugate of a complex number has the same real and imaginary parts except that the sign is different

OpenStudy (goformit100):

|dw:1425923878936:dw| What answer you think is correct?

OpenStudy (welshfella):

so conjugate of a + 6i is a - 6i

OpenStudy (gabylovesyou):

i think its A ?

OpenStudy (goformit100):

@Gabylovesyou reply

OpenStudy (welshfella):

no - look at the real (first) part - that is wrong

OpenStudy (gabylovesyou):

.-. D ?

OpenStudy (welshfella):

yes the real part is -6 as it says in the question

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