|AB| =
|B||A|
|A||B|
[AB]T
0
Find the area of the triangle whose vertices are (3,8),(-4,2)and (5,1).
61
64/2
54/2
61/2
Evaluate the determinants
5
10
12
16
If a square matrix A is said to be singular if |A|
= 1
= 0
≠ 0
= [A]
If any two rows or any two columns are identical or proportional,then value of determinant is _______ .
1
2
3
Evaluate
cosθ
A square matrix A is said to be singular if |A|= _____ .
Determinant of a matrix A -[a11]1x1 is given by _______
a
a11
a12
None of these
If elements of a row (or column)are multiplied with cofactors of any other row (or column),then their sum is
Positive
Negative
Zero
