The matrix has equal diagonal entries (4) and zeros elsewhere. So it is square (A), scalar (B), and diagonal (C). It is not an identity matrix as the diagonal entries are not 1. So A, B, C are true.
CUET UG 2022 — Mathematics Algebra
The matrix 400040004 is:
A. a square matrix
B. a scalar matrix
C. a diagonal matrix
D. an identity matrix
Which of the above statements are true?
Choose the correct answer from the options given below:
Held on 16 Jul 2022 · Verified 13 Jul 2026.
A and B Only
A, B and C only
C and D only
A and D only
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