求下列之 $$\frac{dy}{dx}$$ :
- $$y=\ln 3x $$
- $$y=\ln \frac{3}{2x} $$
- $$y=\ln \frac{1+x}{1-x}$$
- $$y=\ln \sqrt{\frac{1-2x}{x+1}} $$
“I never teach my pupils; I only attempt to provide the conditions in which they can learn.” ~ ALBERT EINSTEIN
求下列之 $$\frac{dy}{dx}$$ :
求下列之 $$\frac{dy}{dx}$$ :