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# Solution: Which of the following equations is a variable separable DE?

#### Problem Statement:

Which of the following equations is a variable separable DE?

• A. (x + x^2y) dy = (2x + xy^2) dx
• B. (x + y)dx โ 2ydy = 0
• C. 2ydx = (x^2 + 1)dy
• D. y^2 dx + (2x โ 3y)dy = 0

The variable separable DE is C. 2ydx = (x^2 + 1)dy.

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