Short & Sweet Math Challenge #21: Powers that be

[J-F Garnier]

(11-08-2016 03:29 PM)Mike (Stgt) Wrote:  And for a(0) = +1, well... then the restriction of the leading coefficient to +1 is thwarted as we look for the maximum _value_ of the root in the range ]1..2[. No?

Well, not necessarily. For instance, 1.32471795724 (one of the constants) is a solution of x^4-x^3-x^2+1.

Anyway, in my code above I assumed a(0)=-1:
80 A(D)=-1 ! assumed...
because all examples posted by Valentin and Gerson are so :-)

J-F