Let A, B and C

be 6x6

find det(A².B^-1.C^T)

Let A =

C is the cofactor matrix of A: C =

find C11

given the system of 3 linear equations :

2X₁ + 9X₂ + 6X₃ = 2

1X₁ + 3X₂ + 4X₃ = 5

8X₁ + 8X₂ + 5X₃ = 4

what is the 3nd row of the matrix A_x1, used in cramer's rule to calculate the value of X₁?

Let A, B and C

be 5x5

find det(det(C)A².(B^-1)³.C^T)

find the determinant of A =

Let A =

A^-1 =

find "h" for which A^-1 is the inverse of A

Let A =

A^-1 =

find "e" for which A^-1 is the inverse of A

Find inverse of the given matrix if it exists?

Find inverse of the given matrix if it exists?

Let A^-1 = is the inverse of the matrix : A =

solve the system :

a11 X + a12 Y + a13 Z + a14 W =5.4

a21 X + a22 Y + a23 Z + a24 W =6.4

a31 X + a32 Y + a33 Z + a34 W =6.1

a41 X + a42 Y + a43 Z + a44 W =5.7

find Z