Q 2185256167.    

Assertion : The differential equation of the form `yf (xy) dx + x phi (xy) dy = 0` can be converted to homogeneous forms by substitution `xy = v`

Reason : All differential equation of first order and first degree become homogeneous, if we put `y = v x`

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

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