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 The general solution of the differential equation dydx+sin(x+y)2=sin(xy)2 is 

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a
logtan(y/2)=C-2sinx
b
log tan(y/4)=C-2sin(x/2)
c
logtany4+π4=C-2sin(x/2)
d
logtany2+π4=C-2sinx

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detailed solution

Correct option is B

dydx=sinx2-y2-sinx2+y2dydx=-2cosx2siny212dysiny2=-cosx2dx12∫cosecy2dy=-∫cosx2dx⇒ln tany4=−sinx212+C⇒ln tany4=C−2sinx2


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