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Home  >>  EAMCET  >>  Mathematics
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If $x^2 y-x^3 \large\frac{dy}{dx}$$=y^4 \cos x$ then $x^3\;y$ is equal to :

\[\begin {array} {1 1} (a)\;\sin x & \quad (b)\;2 \sin x+c \\ (c)\;-3 \sin x +c & \quad (d)\;3 \cos x +c \end {array}\]
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1 Answer

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$(c) -3 \sin x+c$
answered Feb 27, 2014 by meena.p
 
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