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

Correct Answer is : A set of circles having centre on the x-axis

A set of circles having centre on the y-axis

A set of circles having centre on the x-axis

UPSC NDA I 2011 Mathematics Paper

Question : 88 of 120

Marks: +1, -0

What does the differential equation y‌

+x=a
(where a is a constant) represent?

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