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If x = x(y) is the solution of the differential equation y dy dx = 2x + y 3 (y + 1)e y , x

1. = 0 ; then x(e) is equal to
2. e 3 (e e – 1)
3. e e (e 3 – 1)
4. e 2 (e e + 1) (4) e e (e 2 – 1)

Correct answer: = 0 ; then x(e) is equal to

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