Partial solution for bug 1452341: solve(x^(5/2)+1,x)
Subject: Partial solution for bug 1452341: solve(x^(5/2)+1,x)
From: Stavros Macrakis
Date: Thu, 25 May 2006 14:55:06 -0400
The cheap idea is to notice that gcd(1/2,2/3,1/3)=1/6, so the expression
looks like a^3*(a^4+a^2) where a=5^(1/6).
Whether this is valid depends on your interpretation of fractional
exponents, I suppose. (domain:real vs. complex)
On 5/25/06, Richard Fateman <fateman at cs.berkeley.edu> wrote:
>
> ratsimp basically renames 5^(1/2)*(5^(2/3)+5^(1/3)) to be a*(b^2+b),
> where a=sqrt(5), b= 5^(1/3), rationally simplifies.
> ...
> If you have some ideas that are cheap and effective, go to it!