a ( x + y + z )
0
abc + xyz + pqr
a ( x + y + z ) + b ( p + q + r ) + c
779
679
2
If |A| ≠ 0, then that square matrix is called _________
Singular matrix
Identity matrix
Zero matrix
Non singular matrix
If elements of a row (or column)are multiplied with cofactors of any other row (or column),then their sum is ________ .
Positive
Negative
Zero
None of these
1
3
|AB| = ________
|B||A|
|A||B|
[AB]T
Find values of x,if .
4
5
1/ abc
abc
ab + bc + ca
(AB)-1 = __________
A-1B-1
B-1A-1
B-1/A-1
(AB)T
The one root of the equation
- ( a+ b)
- ( b + c )
-a
- ( a + b + c )