Find values of x,if .
2
3
4
5
(AB)-1 = __________
A-1B-1
B-1A-1
B-1/A-1
(AB)T
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
|AB| = ________
|B||A|
|A||B|
[AB]T
0
The one root of the equation
- ( a+ b)
- ( b + c )
-a
- ( a + b + c )
_________.
a b c
4 a b c
4 a2 b2 c2
a2 b2 c2
Where x, y, z are positive.
log y x
log z y
log x z
N
2N+1
N + 2
The roots of the equation
-1, -2
-1, 2
1, -2
1, 2
1/ abc
abc
ab + bc + ca