`[[1],[2],[3]][[2,3,4]]`

The upper triangular matrix of the matrix [[1,-1,2],[2,1,3],[3,2,4]]

Transform [[1,-1,2],[2,1,3],[3,2,4]] into an upper triangular matrix by suitable row transformations

Find the rank of the following matrices. [{:(1,-1,1),(3,-2,3),(2,-3,4):}]

Find the areas of the quadrilaterals formed by the following points:(ii)(1,2),(-1,3),(-2,-3),(4,-2)

the upper triangular matrix of the matrix [{:(1,-1,2), (2," 1",3),(3, " 2",4):}] is

the upper triangular matrix of the matrix [{:(1,-1,2), (2," 1",3),(3, " 2",4):}] is

Locate the points (0, 0), (1, 1), (2, 2), (3, 3) (4,4), (-1, -1), (-2,-2), (-3, -3), (-4,-4) and what is your observation?

Find R^(-1) in each of the following cases : R={(1,2),(1,3),(2,4),(2,3),(3,2),(4,3)}