Let A be a 2 × 2 matrix with real entries such that A'= +1, where R- -1,1 . If det(A^2-A) = 4, the sum of all...

Question

Let A be a 2 × 2 matrix with real entries such that A'= +1, where R- -1,1 . If det(A^2-A) = 4, the sum of all possible values of is equal to :

Accepted Answer

(D)

JEE Main 2023 Mathematics question