Differential EquationHard
Question
Which one of the following is homogeneous function?
Options
A.f(x,y) = 
B.f(x, y) = 1/3. y-2/3 tan-1
C.f (x, y) = x(ln
- ln y) + yex/y
D.f (x, y) = x
+ y2 tan 
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