JEE Math Practice Question
The differential equation of the family of curves, x2 = 4b(y + b), b $$ \in $$ R, is :
- A.x(y')2 = x – 2yy'
- B.x(y')2 = 2yy' – x
- C.xy" = y'
- D.x(y')2 = x + 2yy'
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