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(x^4-2xy^2+y^4)dx-(2×^2y-4xy^3+siny)dy |
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Answer» Answer: 1 x DY − y x2 dx = 0. Exercise 2. 2XY dy dx. + y2 − 2x = 0. Exercise 3. 2(y + 1)exdx + 2(EX − 2y)dy = 0 ... 10. X4. 2. − 2x3y + 3. 2 x2y2 − y4. 4. = A ,. 11. y2 sin x + cos x + 2y = A. Toc. ◁◁. |
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