" प्रश्न "20.[[-1,5],[-3,2]]

Find the adjoint of the following matrix: [[1,-1,2],[-2,3,5],[-2,0,-1]]

Find the co -factors of the elements of the following matrix [[1,-1,2],[-2,3,5],[-2,0,-1]]

The value of [[1,2,3],[3,5,2],[8,14,20]] is _______.

[" The value of determinant "|[1,-1,2],[-2,3,5],[-2,0,-1]|=................],[" a) "1," b) "21," c) "17," d) "3],[" a "],[" b "],[" c "],[" a "]

If A=[[-1 ,2, 3],[ 5 ,7, 9],[-2 ,1, 1]] and B=[[-4, 1,-5],[ 1, 2,0 ],[1, 3, 1]] , then (A+B)^(prime)=A^(prime)-B^(prime) is true or false

If A= [[0,-2,3],[2,0,-1],[-3,1,0]] then A^5 is

Using elementary transformations find the inverse of the matrix. [[3,-1,-2],[2,0,-1],[3,-5,0]]

If |[3,1,-4] , [3,2,5] , [1,-1,3]|=49 then |[6,3,-16] , [6,6,20] , [2,-3,12]|=

If A=[[2,0,-1],[5,1,0],[0,1,3]] , prove that : A^-1=A^2-6A+11I

If =[[1,4,-1],[2,6,5]] and B=[[3,-2,-6],[2,0,-7]] , find A+B and A-B