Identity And Inverse Matrix

Which matrix is an identity matrix

• A

• B

• C

• D

What’s the inverse of this matrix?

• 1/34

• 34

• 1/25

• 25

Find the determinant’s value

• -17

• -18

• 18

• 19

What’s the determinant of this matrix?

• 1/34

• 34

• 1/25

• 25

That is the matrix M.Given that the determinant of M is y.Find Y

• 1/2

• 3

• 2

• Y

Find Inverse of M

• 
• 
• 
• 

Find the values of M and N

• M=1/2 N=3

• M=1/6 N=3

• M=1/2 N=-3

• M=1/6 N=3

Find the determinant of A

• 18

• 15

• -15

• -16

Find the values of M and N

• N = 3 M=1/2

• N = -3 M=1/2

• N=2 M=1/3

• N=-2 M=-1/3

The order of this matrix is?

• 2 x 3

• 2 x 1

• 2 x 2

• Tatahu