Construct `3xx4` matrix `A=[a_(aj)]` whose elements are: `a_(ij)=i.j`

Construct a 3xx4 matrix A=[a_(ij)] whose elements are given by a_(ij)=i+j(ii)a_(ij)=i-j

Construct 3xx3 matrix A=[a_(ij)] whose elements are given by a_(ij)=2i-3j .

Construct a3x4 matric A=[a_(ij)] whose elements are given by a_(ij)=i+j( ii) a_(ij)=i-j

Construct a 3xx4 matrix A=[a_(ij)] whose elements are given by a_(ij)={{:(3i-2j",""where "i nej,),(0",""where "i=j,):}

Construct a 2xx3 matrix A=[a_(ij)] whose elements are given by a_(ij)=(i-j)/(i+j)

Construct a 2xx3 matrix A=[a_(ij)] whose elements are given by a_(ij)=(1-j)/(1+i)

Construct a 3xx4 matrix A=[a_(ij)] whose elements a_(ij) are given by: (i) a_(ij)=i+j( ii) a_(ij)=1-j( iii a_(ij)=2i

Construct a 3xx4 matrix A=[a_(ij)] whose elements a_(ij) are given by: i a_(ij)=j (ii) a_(ij)=(1)/(2)|-3i+j|

Construct a 2xx2 matrix A=[a_(ij)] whose elements are given by : a_(ij)=(2i-j)/(3)

Construct a 2xx2 matrix A=[a_(ij)] whose elements are given by : a_(ij)=((i+j)^(2))/(2)