Prove: 1. Matrix equation has a solution always for every matrix . 2. If both matrix equations and have solution, then equation has a solution.
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1. Matrix equation has a solution always for every matrix . I think this would only work if A is nonsingular and X is the inverse.
Originally Posted by rulin Prove: 2. If both matrix equations and have solution, then equation has a solution. I don't get it. The multiplication is defined by what you wrote.
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