If any two rows or any two columns are identical or proportional,then value of determinant is _______ .
1
2
3
0
Find the equation of the line joining A(1,3)and B(0,0)using determinants and find k
if D(k,o)is a point such that area of triangle ABD is 3sq units.
None of these
Evaluate the determinants
5
10
12
16
Evaluate :
4
6
8
If elements of a row (or column)are multiplied with cofactors of any other row (or column),then their sum is ________ .
Positive
Negative
Zero
AdjA = ___________
[Minor]T
[Co factor]T
[Inverse ]T
[Matrix]T
Determinant of a matrix A -[a11]1x1 is given by _______
a
a11
a12
Find the area of the triangle whose vertices are (3,8),(-4,2)and (5,1).
61
64/2
54/2
61/2
(AB)-1 = __________
A-1B-1
B-1A-1
B-1/A-1
(AB)T
Evaluate .
42
44
46
48