Find f′(x)f'(x)f′(x) for f(x)=exxf(x) = \frac{e^x}{x}f(x)=xex.
ex(x−1)x2\frac{e^x(x-1)}{x^2}x2ex(x−1)
ex(x+1)x2\frac{e^x(x+1)}{x^2}x2ex(x+1)
ex/1e^x/1ex/1
exlnxe^x \ln xexlnx