skill

S k i l l
 i n
A L G E B R A

Table of Contents | Home

A "proof" that 1 + 1 = 1

Where is the error?

To see the answer, pass your mouse over the colored area.
To cover the answer again, click "Refresh" ("Reload").
Consider the problem yourself first!

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.

end

Table of Contents | Home


Please make a donation to keep TheMathPage online.
Even $1 will help.


Copyright © 2014 Lawrence Spector

Questions or comments?

E-mail:  themathpage@nyc.rr.com