Mathematics · Differential Equations
Which of the following is the correct differential equation corresponding to x2 + y2 = a2?
- 1-ydy - xdx = 0
- 2x2dx + ydy = 0
- 3x2dx + y2dy = 0
- 4xdx + ydy = 0✓
Correct answer
xdx + ydy = 0
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