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Unformatted text preview: x 2 x 2 +1 + x +2 x 2 +2 4. Find the error in each of the following simplications: (a) 2 x 2 x +1 = x x +1 (b) ab ba = 1 (c) ab a + b =1 (d) a + b b = a (e) a 2b 2 ab = ab...
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 Fall '08
 Léger
 Geometry, Polynomials

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