23 Feb
2019
23 Feb
'19
8:10 p.m.
SPOILing this early after nearly losing track of the(?) answer: Sqrt[4^(1/5) + 1] == (-1 + 2^(1/5) + 2^(3/5) + 2^(4/5))/Sqrt[5] I wrongly thought you couldn't square a+b+c-1 and get d+e. —rwg On Sat, Feb 23, 2019 at 3:00 PM Bill Gosper <billgosper@gmail.com> wrote:
n>a>b are positive integers, a and b coprime, a^(1/n) irrational, Can √(a^(1/n)+b^(1/n)) denest? (:= linear finite combination of real algebraic monomials.) —Bill (Apologies if this is trivial because I forgot to add a condition.)