(no subject)

Jul 03, 2005 11:48

a=b → a-b=0

a²=b²

a²-b²=0

(a-b)(a+b)=0

(a-b)(a+b)=(a-b)

a+b=1

If a=b=1 then 1+1=1 or 2=1

Can you figure out what's wrong with this?
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