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NDA2011MathematicsDifferential EquationsActual

What does the differential equation y d y d x +x=a (where a is a constant) represent?

Options

  1. AA set of circles having centre on the y -axis
  2. BA set of circles having centre on the x -axis
  3. CA set of ellipses
  4. DA pair of straight lines

Correct answer

B. A set of circles having centre on the x -axis

Step-by-step solution

The correct answer is option (B).

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