Recent content by benz31345

  1. B

    Help me Diff Equation population model

    I get. lnx + 10^6/x = t/10^+c When take e X + e^10^6/x = ce^t/10^2 X(t) = ce^t/10^2 - e^10^6/x Have two x right? X is answer How to solve?
  2. B

    Help me Diff Equation population model

    So when integral finish already it just have two x I don't know how to do next step.
  3. B

    Help me Diff Equation population model

    Homework Statement The population x of a certain city satisfies the logistic law dx/dt = x/100 - x^2/10^8 where time t is measured in years.given that the population of this city is 100000 in 1980,determine the population as a function of this for t>1980 .In particular,answer the...
  4. B

    Beta - special functions - manipulation

    I can't not post on forum homework I want to know so fast please help me
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