Problem

Problem

Let AA be a 2×22 \times 2 matrix. Statement-1 adj⁡(adj⁡(A))=A\operatorname{adj}(\operatorname{adj}(A)) = A Statement-2 adj⁡(A)=∣A∣I\operatorname{adj}(A) = \lvert A\rvert I a. Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1 b. Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1 c. Statement-1 is true, Statement-2 is false d. Statement-1 is false, Statement-2 is true

Browse the problem library