alleryThe non-negative real number written with bars around z is its:
AConjugate
BArgument
CReal part
DModulus
Answer & Solution
Correct answer: D. Modulus
1. Vertical bars around a complex number denote one quantity.
2. It is never negative.
3. That quantity is the modulus.
_Source: syllabus Mathematics, Chapter 5, Complex Numbers and Quadratic Equations._
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