Find the derivative of f(x)=logx(e)f(x) = \log_x(e)f(x)=logx(e).
−1x(lnx)2-\frac{1}{x(\ln x)^2}−x(lnx)21
−1x2lnx-\frac{1}{x^2 \ln x}−x2lnx1
1xlnx\frac{1}{x \ln x}xlnx1
−1x-\frac{1}{x}−x1