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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. | |