元祖ワシ的日記

$${\alpha }_0=(-1+\sqrt{17})/2$$ $${\alpha }_1=(-1-\sqrt{17})/2$$ $${\beta }_0=({\alpha }_0+\sqrt{{\alpha }_0^2+4})/2$$ $${\beta }_1=({\alpha }_1+\sqrt{{\alpha }_1^2+4})/2$$ $${\gamma }_0=({\beta }_0+\sqrt{{\beta }_0^2-4{\beta }_1})/2$$ $${\delta }_0=({\gamma }_0+\sqrt{{\gamma }_0^2-4})/2$$ $${\delta }_0^{17}=1$$