the max of the areas of the isosceles triangles lying between the curve y=e^-x and the x axis with base on the positive x axis is?
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Originally Posted by champrock the max of the areas of the isosceles triangles lying between the curve y=e^-x and the x axis with base on the positive x axis is? base = $\displaystyle x$ height = $\displaystyle e^{-\frac{x}{2}}$ $\displaystyle A = \frac{1}{2} x e^{-\frac{x}{2}}$ find $\displaystyle \frac{dA}{dx}$ and maximize
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