若点C是线段AB的黄金分割点且AC>BC,则AB/AC= _ ,BC/AB= _ .

问题描述:

若点C是线段AB的黄金分割点且AC>BC,则

AB
AC
= ___ ,
BC
AB
= ___ .

由题意得:

AC
AB
=
BC
AC
=
5
-1
2

AB
AC
=
2
5
-1
=
5
+1
2
BC
AB
=
3-
5
2

故本题答案为:
5
+1
2
3-
5
2