Slide1.jpgSlide2.jpg

Hi

So I have uploaded two slides from my lecture. The problem I am having is getting to equation 5 from 4. He says I need to put equation 4 into 1, which I do and get L=MIN.E(equation4). Then you take the first derivative of that with respect to m. So dL/dm= ??? I think I am taking this derivative wrong. However the next step is to solve for m and then you should get the answer he has in 5.

Any help would be appreciated thanks

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