The solution of differential equation \( \left(x^{5}+x+2 x^{2} y\right) d y+\left(3 x^{4} y-y\ri...

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The solution of differential equation \( \left(x^{5}+x+2 x^{2} y\right) d y+\left(3 x^{4} y-y\right) d x=0 \) is
(a) \( x^{4} y+x y^{2}+y=c x \)
(b) \( x^{4} y^{2}+x y+y=c x \)
(c) \( x^{4} y+x^{2} y^{2}+x y=c \)
(d) \( x^{4} y-x y^{2}-y=c x \)
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