\(x\) ӵȼ
\[
(x^x)^{\left[\left(x+\frac{1}{x}\right)-3\right]}=\frac{3}{\left(x+\frac{1}{x}\right)}
\]
\(x>1\)\(x+1/x>3\) ʱ \(x^x>1\)\((x+1/x)-3>0\)ʽߴ \(1\)ұС \(1\)ʱ
\(x>1\)\(x+1/x<3\) ʱ \(x^x>1\)\((x+1/x)-3<0\)ʽС \(1\)ұߴ \(1\)ʱ
\(x>1\)\(x+1/x\) ȡֵΪ \(3\) ʱǰʽ߾Ϊ \(1\)ڴʱŵõ㡣
\[
(x^x)^{\left[\left(x+\frac{1}{x}\right)-3\right]}=\frac{3}{\left(x+\frac{1}{x}\right)}
\]
\(x>1\)\(x+1/x>3\) ʱ \(x^x>1\)\((x+1/x)-3>0\)ʽߴ \(1\)ұС \(1\)ʱ
\(x>1\)\(x+1/x<3\) ʱ \(x^x>1\)\((x+1/x)-3<0\)ʽС \(1\)ұߴ \(1\)ʱ
\(x>1\)\(x+1/x\) ȡֵΪ \(3\) ʱǰʽ߾Ϊ \(1\)ڴʱŵõ㡣
���༭ʱ��: 2022-04-02 01:56:12


