Wednesday, October 24, 2007

2 = 1 paradox

Try to find the error in this prove for "2 = 1"

let a and b be any integer
that a = b

a = b
a² = ab
a² - b² = ab - b²
(a - b)(a + b) = b(a - b)
a + b = b
b + b = b
2b = b
2 = 1


Hehehehehe... (!)
Answer can be found in the puzzle section.

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