In Problems 114, a subset W of some n-space R n is defined by means of a

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In Problems 1–14, a subset W of some n-space Rn is defined by means of a given condition imposed on the typical vector (x1, x2, ....,xn). Apply Theorem 1 to determine whether or not W is a subspace of Rn.

W is the set of all vectors in R4 such that x1 + 2x2 + 3x3 + 4x4 = 0.

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Differential Equations And Linear Algebra

ISBN: 9780134497181

4th Edition

Authors: C. Edwards, David Penney, David Calvis

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