The particular solution of the differen...

The particular solution of the differential equation
`xdy + 2 y dx = 0`, when `x = 2`, `y=1`is:

A

(a) `xy=4 `

B

(b) `x^2y=4`

C

(c) `xy^2=4`

D

(d) `x^2y^2=4`

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The correct Answer is:

B

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