A "proof" that 1 + 1 = 1
Where is the error?
To see the answer, pass your mouse over the colored area.
The error is in going from Line 4) to Line 5). Since x = 1, then x −1 = 0. We have divided by 0, an operation that is not permitted. See Lesson 5.
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Copyright © 2012 Lawrence Spector
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