in Ordinary Differential Equation (ODE) recategorized by
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The solution of the equation $\dfrac{dQ}{dt} +Q =1$ with $Q=0$ at $t=0$ is

  1. $Q(t)=e^{-t}-1$
  2. $Q(t)=1+ e^{-t}$
  3. $Q(t)=1 -e^t$
  4. $Q(t)=1- e^{-t}$
in Ordinary Differential Equation (ODE) recategorized by
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