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Proof that 2=1

Revision as of 18:29, 27 June 2019 by Colball (talk | contribs) (Created page with "1) <math>a = b</math>. Given. 2) <math>a^2 = ab</math>. Multiply both sides by a. 3) <math>a^2-b^2 = ab-b^2. Subtract </math>b^2<math> from both sides. 4) </math>(a+b)(a-b) =...")
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1) $a = b$. Given. 2) $a^2 = ab$. Multiply both sides by a. 3) $a^2-b^2 = ab-b^2. Subtract$b^2$from both sides. 4)$(a+b)(a-b) = b(a-b)$. Factor both sides. 5)$(a+b) = b$. Divide both sides by$(a-b)$6)$a+a = a$. Substitute$a$for$b$. 7)$2a = a$. Addition. 8)$2 = 1$. Divide both sides by$a$.

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