已知实数xyz满足4x^2/1+4x^2=y,4y^2/1+4y^2=z,4z^2/1+4z^2=x,求xyz的值为什么

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/27 20:08:19
已知实数xyz满足4x^2/1+4x^2=y,4y^2/1+4y^2=z,4z^2/1+4z^2=x,求xyz的值为什么
xN@_eƱ &t(&`It &H4. Ah\JwvZV}R,D~NM OQ6hsP-Gd r##fcMEj-k,ÿ\,eۡm(\h^4}!xwBBPME**D|Uy#th, `

已知实数xyz满足4x^2/1+4x^2=y,4y^2/1+4y^2=z,4z^2/1+4z^2=x,求xyz的值为什么
已知实数xyz满足4x^2/1+4x^2=y,4y^2/1+4y^2=z,4z^2/1+4z^2=x,求xyz的值
为什么

已知实数xyz满足4x^2/1+4x^2=y,4y^2/1+4y^2=z,4z^2/1+4z^2=x,求xyz的值为什么
(1)“已知实数x,y,z满足4x²/(1+4x²)=y,4y²/(1+4y²)=z,4z²/(1+4z²)=x,求x,y,z的值.
(2):“已知实数x,y,z满足(1+4x²)/4x²=y,(1+4y²)/4y²=z,(1+4z²)/4z²=x,求x,y,z的值.”
你的题目是(1)还是 (2)那样啊 

都为0

x y z 不可能为负,当x增加时 f(x)显然增加。不妨设x>=y>=z
故f(x)>=f(y)>=f(z)
y>=z>=x
故x=y=z =1/2