Is my illustration correct? How do I start this problem? What formula do I need to use? Please consider to answer this problem because I don’t know how to start .

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- Mar 2nd 2011, 06:03 PMjam2011Application of maxima and minima
Is my illustration correct? How do I start this problem? What formula do I need to use? Please consider to answer this problem because I don’t know how to start .

- Mar 3rd 2011, 07:16 AMFernandoRevilla
Suppose the corner is at $\displaystyle (0,0)$ and the end points of the log $\displaystyle P,Q$ are in the lines $\displaystyle y=8$ and $\displaystyle x=4$. Consider the family of lines $\displaystyle y=mx$ passing through $\displaystyle (0,0)$ . Find the points $\displaystyle P,Q$ and the minimum of $\displaystyle f(m)=d(P,Q)$.

- Mar 6th 2011, 10:21 PMjam2011
please help me to continue solving this because I'm stuck her. I'm also confused in solving derivatives .thanks in advance....

- Mar 7th 2011, 05:15 PMvldo
Find the derivative of L(x)

- Mar 7th 2011, 05:43 PMrcs
i think we have to simplify first the radicand before taking the derivative