Answer:
a)
inv([1 1; 100 100])
warning: matrix singular to machine precision
warning: called from ATest at line 1 column1
ans =
Inf Intf
Inf Inf
b)
A = [4, 9; 5, 11]
B = inv(A)
A*B
B*A
4. 9
5 11
-11.0000 9.0000
5.0000 4.0000
ans . 00000 -0.00000
0 . 00000 1.00000
ans 1.00000 0.00000
0.00000 1.00000
c)
x = [5; 10]
y = A*x
x = [5; 10]
y=
110 135"
d)
B * y is
5.0000
10.0000
e)
B * y
ans 5.0000
10.0000
Answer:A
Explanation: I took the test !
<span>the three fundamental elements of an effective security program for information systems are Identification, Authentication and Authorization.The access control creates the user and assigns the rights to resources and authorization is giving permissions to the users to access the resources.The user who wants to enter the system should have a valid data t enter the system like password, fingerprint or any other type of recognition.</span>
Answer:
A,C,D,E are the answers at least on the test i took
Explanation: