Question: Problem 6. (6 points) Suppose an n x n matrix A is invertible Which of the following statements is true? Check the correct answer(s) below.

Problem 6. (6 points) Suppose an n x n matrix A is invertible Which of the following statements is true? Check the correct answer(s) below. A. The system Ax - b has infinitely many solution for all b in R" B. The matrix A has a non zero determinant. C. The reduced row echelon form of the matrix A is the identity matrix DD. The system Ax = 0 has only the trivial solution WE. The matrix A is singular I F. None of the above

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