Evaluate the following: ` |[42,1,6],[28,7,4],[14,3,2]| `

Evaluate the following: |1/2, 8],[4,2]

Compute the following: [[-1,4,-6],[8,5,16],[2,8,5]]+[[12,7,6],[8,0,5],[3,2,4]]

Using elementary transformations, find the inverse of the following matrix [(2,-1,4),(4,0,2),(3,-2,7)]

Find the values of the following determinants |{:(4,0,2),(1,5,-6),(3,-2,8):}|

Find the eigen values for the matrix: det[[8,-6,2-6,7,-42,-4,3]]

Find the value of x in the following: 1 2/3-:2/7xx x/7=1 1/4xx2/3-:1/6

Name the octants in which the following points lie (1,2, 3), (4,2,3). (4,-2,-5), (4, 2,-5), (-4,2, 5), (4,2, 5), 3,-1, 6), (2,4,-7)

Find eigen-values for the matrix [[8,-6,2-6,7,-42,-4,3]]

Name the octant in which the following points lie (1,2,3),(4,-2,3),(4,-2,-5),(4,2,-5),(-4,2,-5),(-4,2,5),(-3,-1,6)(2,-4,-7)

Find the sum of the following A. P. s: 0.6 , 1.7, 2.8 ,…, to 100 terms.