5 to the tenth power
F_n=\frac{\phi^n-\psi^n}{\sqrt5}
where
\phi=\frac{1+\sqrt5}{2},\qquad \psi=\frac{1-\sqrt5}{2}
For F_4:
F_4=\frac{\left...
z(-p-d)
-p*+z
1-10*x+90*x^2
factorize
5(x-4)=2(x+1)-7
p^2=1.524^3
p^2=3^3
p^2=50^3
547xx35