Expand `|{:(1,2,3),(4,6,2),(5,9,4):}|`

Expand |( 1,2), (4,2)|

Expand |(2,4),(-5,-1)|

Expand |(3,4),(2,5)|

Find the minor of elements 6 in the determinants Delta = {:|( 1,2,3),(4,5,6),(7,8,9)|:}

Expand |(2, 5), (4x , 7x)|

Determine the matrix A, when A=4[{:(1,2,3),(-1,-2,-3),(4,2,6):}]+2[{:(5,4,1),(3,2,4),(3,8,2):}]

Expand |( 9, 1), (2, 0)|

If A = {:[( 1,1,-2),(2,1,-3),(5,4,-9)]:}, find |A|

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)

Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8} , which of the following may be considered as universal set (s) for all the three sets A, B and {0,1,2,3,4,5,6,7,8,9,10}