S k i l l
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 6. Please make a donation to keep TheMathPage online. Copyright © 2021 Lawrence Spector Questions or comments? E-mail: teacher@themathpage.com |