Question
Mathematics Question on matrix transformation
If 1 λ510,A-1 = a A + BI and a + β = -2, then 4a² + B² + 22 is equal to:
A
10
B
12
C
14
D
19
Answer
14
Explanation
Solution
The correct option is(C): 14
If 1 λ510,A-1 = a A + BI and a + β = -2, then 4a² + B² + 22 is equal to:
10
12
14
19
14
The correct option is(C): 14