Find a basis of the subspace of R^4 defined by the equation 2(x1)-(x2)+2(x3)+4(x4)=0
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Originally Posted by noles2188 Find a basis of the subspace of R^4 defined by the equation 2(x1)-(x2)+2(x3)+4(x4)=0 Since you can choose freely x1,x2,x3 and then x4 is uniquely determined, choose values for x1,x2,x3 that'll give you three lin. independent vectors. Tonio
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