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The particular solution of the diffe...

The particular solution of the differntial equation` x dy +2y dx=0,` , when `x=2, y=1` is

A

`xy=4`

B

`x^(2)y=4`

C

`xy^(2) =4`

D

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

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The correct Answer is:
B
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