A general solution formula for the equation $$ 2f'(x) = f(x)^2 $$ is:
- \( f(x) = \frac{2}{x + C} \)
- \( f(x) = Ce^{x} \)
- \( f(x) = - \frac{2}{x + C} \)
- \( f(x) = \ln{x} \)
- None of the above
Original idea by: Thales Eduardo Nazatto
Instructions for question creators: (1) do not include the answer; (2) the last alternative must be: "E, None of the above"; (3) at the end, add "Original idea by: " and your name.
A friend of yours has published a pioneering research paper in a niche area, and it has gathered several citations from other researchers. T...
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