Evaluate :
2
4
6
8
If any two rows or any two columns are identical or proportional, then value of determinant is ____
1
3
0
For any ________ matrix A, |A'| = |A|,where A'=transpose of A .
Square
Column
Row
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
Evaluate the determinants
5
10
12
16
If ,then x is equal to
-6
By using properties of determinants,evaluate :
.
4abc
2abc
4a2b2c2
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 _______ .
Find the area of the triangle whose vertices are (3,8),(-4,2)and (5,1).
61
64/2
54/2
61/2