Find the Real Root of 4^x + 6^x = 9^x
- 时间:2020-09-07 12:13:31
- 分类:网络文摘
- 阅读:115 次
Given a equation
, let’s find the real value of x.
First, divide both sides by
which becomes:

as
, and
, it becomes:

Let’s replace
with
and further we have:
that is 
This equation has a golden root (the negative root should be discarded):
Therefore, 
and 
and 
and we can compute the value x that is approximately 1.187.
–EOF (The Ultimate Computing & Technology Blog) —
推荐阅读:炎炎夏日怎样选择冰棍雪糕更安全? 问题“毒皮蛋”再引食品安全大讨论 教你六招辨别保健食品真假的方法 警惕保健食品的五大非法宣传“陷阱” 官员竟然称质疑转基因食品是民众无知 转基因食品的利与弊及潜在危害浅析 食品安全法即将修订 有奖举报或将入法 辽宁省曝光十大食品犯罪典型案例 几种转基因与非转基因食物的差别 判断是否为转基因食品的简单方法
- 评论列表
-
- 添加评论