([" iv ")[[1,2,3]]]][[2],[4],[6]]

Select the correct option from the given alternatives.If A = [[2,3],[4,6]] , then A^-1 = i] [[1,2],[-4,6]] ii] [[2,-3],[4,6]] iii] [[-2,4],[-3,6]] iv] Does not exist

Select the correct option from the given alternatives. If A = [[1,-2],[5,-3]] then A+A^T equals i] [[2,3],[3,-6]] ii] [[2,-4],[10,6]] iii] [[2,4],[-10,6]] iv] [[1,0],[0,1]]

If the rank of A=[[1,2,3,4],[2,4,6,3],[3,6,1,1]] is 1 then lambda+mu =

Find the rank of matrix : A= [[1,2,-2,3],[2,5,-4,6],[-1,-3,2,-2],[2,4,-1,6]]

(2) Find the rank of the matrix A=[[1,2,3,-1],[3,6,9,-3],[2,4,6,-2]]

Express the following matrices as the sum of a symmetric and a skew symmetric matrix:(i) [[3, 5],[ 1,-1]] (ii) [[6,-2, 2],[-2, 3,-1],[ 2,-1, 3]] (iii) [[3, 3,-1],[-2,-2, 1],[ 4, 5, 2]] (iv) [[1 ,5],[-1, 2]]

" (i) |[2,5], [6,0]| (ii) |[2,-1],[3,2]| (iii) |[0,4],[5,-1]| (iv) |[(1)/(2),1],[(3)/(4),(1)/(5)]|

Inverse [ (1,2,3),(2,3,4),(3,4,6)] is :

Evaluate : if possible (i) [3,2] [{:(,2),(,0):}] (ii) [1 , -2] [{:(,-2,3),(,-1,4):}] (iii) [{:(,6,4),(,3,-1):}] [{:(,-1),(,3):}] (iv) [{:(,6,4),(,3,-1):}] [{:(,-1),(,3):}]

Name the octant in which each of the following points lie. (i)(1,2,3), (ii) (4,-2,3) (4,-2,-5), (iv)(4,2,-5), (v)(-4,2,5), (iv)(-3,-1,6), (vii)(2,-4,-7), (viii),(-4,2,-5)