Suppose A is an invertible n x n matrix and consider the equation Ax = b. Check all the true statements below. A. The equation has a unique solution for some, but possibly not all, b in R B. The vector x=bA¹ is a solution to the equation for all b in IR" C. The equation has a unique solution for all b in R" D. The vector x = A ¹b is a solution to the equation for all b in IR" E. The equation has a solution, which may not be unique, for all b in R™ OF. None of the above

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