Q6 of 307 Page 5

Given the matrices

and


Verify that (A + B) + C = A + (B + C).

L.H.S (A+B)+C

= (A+B)=+


=


=


= (A+B)+C =


=


= (A+B)+C


R.H.S A+(B+C)


= (B+C)+


=


=


= A+(B+C)+




Hence, L.H.S=R.H.S


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