Question: Let A be an n*n matrix with det(A) not equal 0. Let b be an n*1 column vector . Show that the matrix equation Ax=b

Let A be an n*n matrix with det(A) not equal 0. Let b be an n*1 column vector . Show that the matrix equation Ax=b has a unique solution.Deduce the conditioner under which a linear homogeneous of equation has only the trivial solution

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