Are the following matrices non-singular ? `A=[[1,2,3],[2,4,6],[1,4,5]] , B=[[1,2,3],[2,4,6],[3,5,9]]`

Answer the following questions.If A=[[1,2,3],[2,4,6],[1,2,3]] and B=[[1,-1,1],[-3,2,-1],[-2,1,0]] ,show that AB and BA are both singular matrices.

Which of the following marices are singular or non singular? [[3,5,7],[-2,1,4],[3,2,5]]

Identify the singular and non-singular matrices: [(1,2,3),(4,5,6),(7,8,9)]

Find the rank of each of the following matrices: (i) [{:(3,2,5),(1,1,2),(3,3,6):}] (ii) [{:(4,3,1,-2),(-3,-1,-2,4),(6,7,-1,2):}]

Identify the singular and non-singular matrices: [(2,-3,5),(6,0,4),(1,5,-7)]