Home Maths Matrices and Determinants General Which one of the following is wrong ?
Maths Matrices and Determinants General More Than One Correct MCQ
Published on: August 11, 2026

Which one of the following is wrong ?

A
The elements on the main diagonal of a symmetric matrix are all zero
B
The elements on the main diagonal of a skew - symmetric matrix are all zero
C
For any square matrix A, A A ′ is symmetric
D
For any square matrix A, (A + A ′ ) 2 = A 2 + (A ′ ) 2 + 2AA ′

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CHECK THE SOLUTION.

(a,d)The elements of main diagonal of skew symmetric matrix are all zero but not necessarily for symmetric matrix.

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