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The solution of the differential equatio...

The solution of the differential equation
`xy(dy)/(dx)={(1+y^2)(1+x+x^2)}/(1+x^2)` is:

A

(a) `1/2 log (1 + y^2)= log x -tan^(-1) x +c `

B

(b) `1/2 log (1+y^2) = log x + tan^(-1) x +c `

C

(c) `log (1+y^2)=log x -tan^(-1) x+c `

D

(d) `log (1+y^2) = log x + tan^(-1) x+c`

Text Solution

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The correct Answer is:
B
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