Question
Show that the given differential equation is homogeneous and solve it:

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Solution
The given differential equation is

or
...(1)
It is a differential equation of the form
Here,
Replacing x by
and y by
, we get.

or

It is a differential equation of the form

Here,

Replacing x by



∴ F(x, y) is a homogeneous function of degree zero.
∴ given differential equation is a homogeneous differential equation.
Put y = vx
Substituting these values of y and in the given equation, we get
or
Integrating,