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

Question

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

gabylovesyou · Answer

@mathstudent55

welshfella · Answer

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

goformit100 · Answer

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What answer you think is correct?

welshfella · Answer

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

gabylovesyou · Answer

i think its A ?

goformit100 · Answer

@Gabylovesyou reply

welshfella · Answer

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

gabylovesyou · Answer

.-. D ?

welshfella · Answer

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