The differential equation of the family ...

The differential equation of the family of straight line `y=mx+(4)/(m)`,
where m is the parameter, is

A

(a) `y("dy"/"dx")=x("dy"/"dx")^2+4`

B

(b) `y(d^2y)/(dx^2)=x("dy"/"dx")^2+4x`

C

(c) `y("dy"/"dx")^2=4x^2`

D

(d) `y(dy)/(dx)=("dy"/"dx")^2 + 4`

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The correct Answer is:

A

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