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NDA Math Application of Derivatives

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Question : 4

Total: 73

What is the differential equation of the family of parabolas having vertex at origin and axis along positive y-axis ?

x‌
dy
dx
+2y=0
x‌
dy
dx
−2y=0
y‌
dx
dy
+2x=0
y‌
dx
dy
−2x=0

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