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

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

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

Let A=[a_(ij)] is a square matrix of order 2 where a_(ij)=i^(2)-j^(2) . Then A is (i) Skew - symmetric matrix (ii) Symmetric matrix (iii) Diagonal matrix (iv) None of these

Write down the value of det (2I_(3)) .

Construct a 2xx3 matrix A, whose elements are given by a_(ij) =((i-2j)^(2))/(2) .

Construct a 3xx4 matrix [a_(ij)] , where a_(ij)=2i-j .

Let a b a 2 xx 2 matrix and |A| = 7 , find the value of |2A|.

If A=[(1,2),(3,4)] , find a matrix B such that AB=I .

Write a 2xx2 matrix A = [a_(ij)] , whose elements are a_(ij)=i-j .

Construct a 3xx4 matrix [a_(ij)] , where a_(ij)=1/2|-3i+j| .