![image](https://tex.z-dn.net/?f=x%5E%7Blgx%7D%3D10000%2C%5C%3B+%5C%3B+ODZ%3A%5C%3B+x%3E0%5C%5C%5C%5Clg%28x%5E%7Blgx%7D%29%3Dlg10000%5C%5C%5C%5Clgx%5Ccdot+lgx%3Dlg10%5E4%5C%5C%5C%5Clg%5E2x%3D4%5C%5C%5C%5C%28lgx-2%29%28lgx%2B2%29%3D0%5C%5C%5C%5Clgx%3D2%2C%5C%3B+%5C%3B+x%3D10%5E2%3D100%5C%5C%5C%5Clgx%3D-2%2C%5C%3B+%5C%3B+x%3D10%5E%7B-2%7D%3D%5Cfrac%7B1%7D%7B100%7D)
0\\\\lg(x^{lgx})=lg10000\\\\lgx\cdot lgx=lg10^4\\\\lg^2x=4\\\\(lgx-2)(lgx+2)=0\\\\lgx=2,\; \; x=10^2=100\\\\lgx=-2,\; \; x=10^{-2}=\frac{1}{100}" alt="x^{lgx}=10000,\; \; ODZ:\; x>0\\\\lg(x^{lgx})=lg10000\\\\lgx\cdot lgx=lg10^4\\\\lg^2x=4\\\\(lgx-2)(lgx+2)=0\\\\lgx=2,\; \; x=10^2=100\\\\lgx=-2,\; \; x=10^{-2}=\frac{1}{100}" align="absmiddle" class="latex-formula">