, then the value of x, y and z are respectively
5,2,2
1, -2,3
0, -3, 3
-11, 8, 3
The inverse of is ___________.
Does not exist
If A is a square matrix, A' is its transpose, then 1/2 ( A-A' ) is
a symmetric matrix
skew symmetric matrix
a unit matrix
an elementary matrix
If f(x) = x2 - 5 x , A = , then f(A) is equal to
Inverse of is.
and A2 is the identity matrix, then x is equal to
-1
0
1
2
If A and B are square matrices of the same order such that (A+B) (A-B) = A2 - B2, then (ABA-1)2 is equal to
B2
I
A2B2
A2
The inverse of is.
Does not exit
2 Δ
3 Δ
6 Δ
-2
-4
4
