|
|
|
|
|
|
by ColinWright
4564 days ago
|
|
|
You appear to have an error. You write: (ϵ + 1)(ϵ−1) = −1, or alternately (1 + ϵ)(1 − ϵ) = −1
That alternative should surely be: (1 + ϵ)(1 − ϵ) = 1
Not least, in a commutative system (1+x)(1-x) = 1-x^2. Thus (1 + ϵ)(1 − ϵ) = 1 - ϵ^2 = 1
|
|
|