Question

Show that AŃ and A A
are
Symmetric for any
metrise
of order 2x3.​

Answer 1

Answer:

Let P = A'A

∴ P'= (A'A)'

= A'(A')' [∵ (AB)' = B'A']

So, A'A is symmetrice matrix for any matrix A.

Now, let Q = AA'

∴ Q' = (AA')' = (A')'(A)' = AA' = Q

So, AA' is symmetric matrix for any matrix A.

Step-by-step explanation:

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