For any ________ matrix A, |A'| = |A|,where A'=transpose of A .
Square
Column
Row
None of these
A is orthogonal if AAT = ________
A
I
A-1
|A|I
If any two rows or any two columns are identical or proportional, then value of determinant is ____
1
2
3
0
By using properties of determinants,evaluate :
.
4abc
2abc
4a2b2c2
Evaluate .
42
44
46
48
(AB)-1 = __________
A-1B-1
B-1A-1
B-1/A-1
(AB)T
___________ of an element aij of a determinant is the determinant obtained by deleting its ith row and jth column in which element aij lies.
Cofactor
Minor
Adjoint
|AB| = ________
|B||A|
|A||B|
[AB]T
16
18
20
22
If elements of a row (or column)are multiplied with cofactors of any other row (or column),then their sum is ________ .
Positive
Negative
Zero
