Linear Algebra

1:

 If A and B be real symmetric matrices of sizen n x n, then

A.

AAT = 1

B.

A = A-1

C.

AB = BA

D.

(AB)T = BA

 

Answer : D

Explanation :

MABUD ALI SARKAR said: (1:42pm on Thursday 10th December 2015)
(AB)^T=(B^T)(A^T) =BA
Zakir ali said: (8:30pm on Sunday 30th April 2017)
Please tell me about different type of matrices with example

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Option: A

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