If A and B are 2-rowed square matrices such that

(A+B)= and (A-B)=then AB=?


(A+B) =


(A-B) =


1+2 2A =


2A =


Dividing the matrix by 2


A =


1-2 2B =


2B =


Dividing the matrix by 2


B =


A x B=


=


=

1