I have the following function and I am trying to isolate x: ln(x)+ln(x−1)=1 I take ex of both sides: x+x−1=e 2x–1=e 2x=e+1 x=(e+1)/(2)

Find the local maximum and minimum values and saddle points of the function. If you have three-dimensional graphing software, graph the function with a domain and viewpoint that reveal all the important aspects of the function
$f(x,y)=x^3-6xy+8y^3$

$\frac{1}{\sec <!--\; \; -->(x)}$ in derivative?

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