If a square matrix A is said to be singular if |A| _____________
= 1
= 0
≠ 0
= [A]
For any ________ matrix A, |A'| = |A|,where A'=transpose of A .
Square
Column
Row
None of these
Find value of x,if .
(AB)-1 = __________
A-1B-1
B-1A-1
B-1/A-1
(AB)T
Evaluate .
16
18
20
22
|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
If any two rows or any two columns are identical or proportional, then value of determinant is ____
1
2
3
If elements of a row (or column)are multiplied with cofactors of any other row (or column),then their sum is ________ .
Positive
Negative
Zero
42
44
46
48