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If $\large\frac{dy}{dx}=\frac{y+ x \tan \Large\frac{y}{x}}{x}$ then $\sin \large\frac{y}{x}$ is equal to :

\[\begin {array} {1 1} (a)\;cx^2 & \quad (b)\;cx \\ (c)\;cx^3 & \quad (d)\;cx^4 \end {array}\]

1 Answer

$(b)\;cx$
answered Feb 27, 2014 by meena.p
 
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