Vertical bars around A are read as the determinant of A, not the:
AExponent
BModulus
CDiagonal
DTranspose
Answer & Solution
Correct answer: B. Modulus
1. The same bars mean modulus when used with a number.
2. With a matrix the meaning is different.
3. There they read as the determinant of A, not the modulus.
_Source: syllabus Mathematics Part I, Chapter 4, Determinants._
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