Question:
Which of the following is not correct?
(A) If A, B are two matrices such that AB = A and BA=B, then A and B are idempotent.
(B) Every skew - symmetric matrix of odd order is invertible.
(C) If A is a non-singular matrix, then A-1 is skew-symmetric.
(D) The adjoint of a diagonal matrix is a diagonal matrix.
Choose the correct answer from the options given below :
Which of the following is not correct?
(A) If A, B are two matrices such that AB = A and BA=B, then A and B are idempotent.
(B) Every skew - symmetric matrix of odd order is invertible.
(C) If A is a non-singular matrix, then A-1 is skew-symmetric.
(D) The adjoint of a diagonal matrix is a diagonal matrix.
Choose the correct answer from the options given below :
(A) If A, B are two matrices such that AB = A and BA=B, then A and B are idempotent.
(B) Every skew - symmetric matrix of odd order is invertible.
(C) If A is a non-singular matrix, then A-1 is skew-symmetric.
(D) The adjoint of a diagonal matrix is a diagonal matrix.
Choose the correct answer from the options given below :
Updated On: Mar 12, 2025
- (A) and (D) only
- (A), (B) and (C) only
- (B), (C) and (D) only
- (C) and (D) only
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The Correct Option is B
Solution and Explanation
The correct answer is(B): (A), (B) and (C) only
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