AudreezielenPr
AudreezielenPr AudreezielenPr
  • 31-07-2016
  • Mathematics
contestada

solve the seperable equation:
dx/dt=3xt^2

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konrad509
konrad509 konrad509
  • 31-07-2016
[tex]\displaystyle \dfrac{dx}{dt}=3xt^2\\ \dfrac{dx}{x}=3t^2 \, dt\\ \int \dfrac{dx}{x}=\int 3t^2 \, dt\\ \ln x=3\dfrac{t^3}{3}+C\\ \ln x=t^3+C\\ x=e^{t^3+C}\\ x=e^{t^3}\cdot e^C\\ \boxed{x=Ce^{t^3}}[/tex]
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