rosie1007 rosie1007 24-05-2023 Mathematics contestada The projection matrix is P = A(A^T A)^-1 A^T. If A is invertible, what is e? Choose the best answer, e.g., if the answer is 2/4, the best answer is 1/2. a. The value of e varies based on A. b. e = b - Pb c. e=0 d. e=A^T Ab