Solve the given differential equation. √√x² + y² dx - 4ydy = 4xdx Choose the correct answer below. OA. √√x² + y² = 2x + C OB. √√x² + y² = 4x + C OC. 4√√x² + y² = x+C 2 ²√√x² + y² OD. 2√x + =X+C

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