For Exercises 1-3, perform the elementary row operations on the matrix
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- In Exercises 1-4, solve the equation for X, given that . 3.arrow_forwardIn a previous section, we showed that matrix multiplication is not commutative, that is, ABBA in most cases. Can you explain why matrix multiplication is commutative for matrix inverses, that is, A1A=AA1 ?arrow_forwardLet A,D, and P be nn matrices satisfying AP=PD. Assume that P is nonsingular and solve this for A. Must it be true that A=D?arrow_forward
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