alleryChanging a plus ib into a minus ib gives the complex:
AConjugate
BModulus
CArgument
DInverse
Answer & Solution
Correct answer: A. Conjugate
1. Only the sign of the imaginary part is flipped.
2. The real part is left as it is.
3. The result is the conjugate.
_Source: syllabus Mathematics, Chapter 5, Complex Numbers and Quadratic Equations._
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