Home Maths Matrices and Determinants Matrix, Algebra of Matrix, Transpose, symmetric and Skew Symmetric Matrix If A = diag (2, − 1, 3), B = diag ( − 1, 3, …
Maths Matrices and Determinants Matrix, Algebra of Matrix, Transpose, symmetric and Skew Symmetric Matrix Single Correct MCQ
Published on: August 12, 2026

If A = diag (2, − 1, 3), B = diag ( − 1, 3, 2), then A 2 B =

A
diag (5, 4, 11)
B
diag ( − 4, 3, 18)
C
diag (3, 1, 8)
D
B

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Text Solution

Verified by Experts
The correct answer is:
B

A = diag (2, –1, 3), B = diag (–1, 3, 2) then A 2 B = ?

A = ; B =

A 2 = ; A 2 B = = diag (–4, 3, 18)

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