1.

(i) If A and B are symmetric matrices of same order AB-BA is a skew symmetric matrix.(ii)[(1,-1,2),(5,7,2),(6,6,4)] is a singular matrix(iii)(AB)^(-1)=A^(-1)B^(-1)(iv) If A=((1,3),(0,1)) thus A^(3)=((1,27),(0,1)).State which option is correct.

Answer»

(i) and (II) are TRUE
(i) and (III) are true
(ii) and (iii) are true
(iii) and (IV) are true

Answer :A


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