Concept:A determinant is a scalar value computed from a square matrix.
Explanation:A determinant is not a matrix; it is a single number obtained from a square matrix.
For example, for
A=[ac​bd​], the determinant is
∣A∣=ad−bc.
This value is always a unique number.
Check each option:
Option A is wrong because a determinant is not a square matrix.
Option B is incomplete because a determinant is associated only with a square matrix, not every matrix.
Option C is correct because every square matrix has a unique determinant.
Option D is wrong because a determinant is defined for a square matrix.
Answer:Option C: Determinant is a unique number associated to a square matrix.