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Daily Archives: October 24, 2011
Puzzle 47
Find the error in this mathematical conundrum. Answer Saturday. 1=1 [To start] a=b [Got it?] a•a=b•a [Both sides multiplied by a] a^2=ab [Which is] a^2-b^2=ab-b^2 [Subtraction axiom with b^2] (a+b)(a-b)=b(a-b) [Factored] (a+b)(a-b)/(a-b)=b(a-b)/(a-b) [Divide both sides by (a-b)] a+b=b [Which is] … Continue reading