If any two rows or any two columns are identical or proportional,then value of determinant is _______ .
1
2
3
0
Evaluate the determinants
5
10
12
16
If a square matrix A is said to be singular if |A| _____________
= 1
= 0
≠ 0
= [A]
If ,find |A|.
___________ 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
None of these
Find values of x,if .
4
Evaluate .
cos
Evaluate
42
44
46
48
If ,then x is equal to
6
-6