des al 10. (x + y + 1) = 1. Ans.-> ...
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des al 10. (x + y + 1) = 1. Ans.-> x=c (+2) tan 11

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SHREE NAVNEET ( (x+y+1) frac{d y}{d x}=1 ) ( frac{d y}{d x}=frac{1}{x+y+1} ) ( frac{d x}{d y}=x+y+1 ) ( 9+18 ) a linear ( e q ) ( frac{d x}{d y}-x=y+1 ) gf is the formof ( frac{d x}{d y}+P x=0 ) then Integrating factor ( =e^{int p d y}=e^{-y} ) hence sol. ( x cdot I cdot f cdot=int Q cdot I cdot f cdot d y+c ) ( x cdot e^{-y}=int(y+1) cdot e^{-y} d y+c ) ( e^{-y} cdot x=-e^{-y}(y+1)-e^{-y}+c ) ( x=c cdot e^{y}-(y+2) ) ( x+(y+2)=c cdot e )
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