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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Differential Equations

NDA 2011 · Mathematics · Differential Equations

What does the differential equation y (d y)/(d x)+x=a (where a is a...

What does the differential equation ydydx+x=ay \frac{d y}{d x}+x=a (where aa is a constant) represent?

Options

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

Correct answer

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

Step-by-step solution

The correct answer is option (B).
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