Question

Which of the following is the conjugate of a complex number with –1 as the real part and 3i as the imaginary part?

–1 – 3i
–1 + 3i
–3i + 1
3i + 1

Answer 1

conjugate: just change the sign of imaginary number \[\huge\rm a+bi\] conjugate of a+bi is a-bi

Answer 2

so a is correct @Nnesha

Answer 3

yea

Answer 4

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