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The differential equation (dy)/(dx)+(9x)...

The differential equation `(dy)/(dx)+(9x)/(4y)=0` represents a family of

A

concentric circles with centre at (3, 2)

B

ellipses with `e=(1)/(3) sqrt(5)`

C

hyperbolas with `e=(1)/(2)sqrt(5)`

D

parallel lines with `m=3//2`

Text Solution

Verified by Experts

The correct Answer is:
B
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