The irony is that it's hard to find anything for which the concept of a derivative cannot be applied, but generally understanding why the derivative...
The first leg of Ima's journey lies along the line passing through the origin, with slope -1...so using the point-slope formula can you determine the...
I probably should not be answering my own question ... but I am now of the opinion that \psi is not an isomorphism ... but is an embedding of F in F...