Determinants and Inverse Matrix

If A is an invertible matrix of order 3 and |A|=5 then find |Adj A|

• 5

• 15

• 25

• 125

• 2 and 1

• -2 and -1

• 2 and -1

• 3 and 4

• 10

• 0

• 1

• 4

If A and B are invertible matrix then (AB)^-1 =

• A^-1B^-1

• AB

• B^-1A^-1

• none of these

• - 5

• - 1/5

• 1/25

• 25

Find the determinant of the matrix

• A

• B

• C

• D

If A is a non-singular matrix such that |𝐴| = 5, then find|𝐴⁻¹|.

• 5

• 25

• NONE OF THE ABOVE

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

What is A^-1?

• 
• 
• 
• 

Find the determinant of the matrix

• A

• B

• C

• D