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03/09/17 8:46:21 PM
#4:


Got another question.

the speed with which such waves move is given by the expression 2rad(Dr), where r is the reproductive rate of individuals and D is a parameter quantifying dispersal. Calculate v'(r), the derivative of the wave speed with respect to the reproductive rate r.


I can't tell if I'm supposed to use the chain rule or product rule or what. I tried 2(Dr)^1/2 therefore (Dr)^-1/2 therefore 1/radDr, but that's not correct.
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