If `A=[2 3 4 ] and B = [(10),(11),(12)]`, then write down the matrix AB.

If A=[(2,0),(1,4)] and B=[(-1,2),(3,0)] , then find (AB)'.

If A = [[1,2],[-3,4]] , then write down the value of 10 A^(-1) .

If A=|a_(ij)|" is a"2xx3 matrix and a_(ij) = 1 +ij , then write down the matrix completely.

If A=[a_(ij)]" is a "2xx2 matrix and a_(ij) =((i+2j)^(2))/(2) , write down the matrix completely.

If A=[{:(-2,3),(1,2):}] and B=[{:(-1,0),(1,2):}] , then find (A+2B)' .

If A=[(1,1),(1,1)] and B=[(2,-1),(0,1)] , find 2A+3B .

If matrix A=[(1,-1),(-1,1)] and A^(2) = kA , then write the value of k.

If A[(-1,0),(0,1)] and B=[(0,1),(1,0)] , show that (A+B)^2 ne A^2+2AB+B^2 .

If |A| = |(a_(11), a_(12), a_(13)),(a_(21),a_(22),a_(23)),(a_(31),a_(32),a_(33))| = 6 , then write down the value of |A^(-1)| .