Question
Mathematics Question on Matrices
If A=[2 −131]and A2−3A+kI=0 then the value of k is:
A
-5
B
3
C
5
D
-3
Answer
5
Explanation
Solution
The correct option is(C):5
If A=[2 −131]and A2−3A+kI=0 then the value of k is:
-5
3
5
-3
5
The correct option is(C):5