symbolic simplification usage

[EY_10539769]

Hi

I have this worksheet.

I want to simplify the last equation that they will use r, for example, the last equation needs to see like this:

how can I do that?

[Werner_E]

Didn't you rather expect the square of r ? 😉

Something like

Unfortunately I see no way to talk Primes symbolic to replace the expression that way.

And then ... how should the program know when you want to see r(...) and when not? In the expression you show you may also write the nominator as

So the whole derivation could also be written as

Why not?

[ttokoro · Accepted solution]

r2 is not r^2 but using superscript font 2.

 So, we can define,  

[Werner_E]

There is no need to define r².

But I sure won't suggest using this method just to see a result which actually isn't a valid result at all.

Prime 6 with legacy symbolic

[EY_10539769]

thanks, that is what I was looking for