来自欧阳建权的问题
【Abiologiststudyingfluctuationsinthesizeofaparticularpopulationdecidestoinvestigateamodelforwhichdp/dt=kPcoskt,wherePisthesizeofthepopulationattimetdaysandkisapositiveconstant.(a)Giventhatp=P₀whent=0,expre】
Abiologiststudyingfluctuationsinthesizeofaparticularpopulationdecidestoinvestigateamodelforwhichdp/dt=kPcoskt,wherePisthesizeofthepopulationattimetdaysandkisapositiveconstant.
(a)Giventhatp=P₀whent=0,expressPintermsofk,tandP₀
(b)Findtheratioofthemaximumsizeofthepopulationtotheminimumsize.
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2020-04-24 20:32