Qn 1.

Let

Show that (i) A(BC) = (AB)C

                 (ii) A(B+C) = AB + AC

Qn 2.

If

(a) Prove that M(X).M(Y)=M(X+Y)

(b)Change the order as 2 x 2 by eliminating one row and one column such that M(X).M(Y)=M(X+Y)

Qn 3.

Let find a matrix D such that CD = AB