Question: If U = Span(3 + x + 3x', 1+ 2x+ x',1 - 3x + x',x} is a subspace of P2(R), then (a) dim U =

If U = Span(3 + x + 3x', 1+ 2x+ x',1

If U = Span(3 + x + 3x', 1+ 2x+ x',1 - 3x + x',x} is a subspace of P2(R), then (a) dim U = 4. (b) dim U = 2. (c) dim U = 1. (d) dim U = 3

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