MCQ
The solution of the equation $\frac{{dy}}{{dx}} = y({e^x} + 1)$ is
  • A
    $y + {e^{({e^x} + x + c)}} = 0$
  • $\log y = {e^x} + x + c$
  • C
    $\log y + {e^x} = x + c$
  • D
    None of these

Answer

Correct option: B.
$\log y = {e^x} + x + c$
b
(b) $\frac{{dy}}{{dx}} = y({e^x} + 1)$ ==> $\frac{{dy}}{y} = ({e^x} + 1)dx$

Integrating both sides, we get $\log y = {e^x} + x + c$.

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