1.

Find the general solution of the differential solution ( frac{dy}{dx}=2-x+x^3 ).

A. x<sup>4</sup>-2x<sup>2</sup>-4y+C=0
B. x<sup>4</sup>-2x<sup>2</sup>+C=0
C. 2x<sup>2</sup>+4x-4y+C=0
D. x<sup>4</sup>-2x<sup>2</sup>+4x-4y+C=0
Answer» E.


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