Let Ax = 0 be a system of m equations in n unknowns. Show that x = x1 x2 . . . xn is a
Chapter 6, Problem 4(choose chapter or problem)
Let Ax = 0 be a system of m equations in n unknowns. Show that x = x1 x2 . . . xn is a solution of this system if and only if the vector x = (x1, x2,...,xn) is orthogonal to every row vector of A with respect to the Euclidean inner product on Rn.
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