Consider the following differential equation:\(x\left( {ydx + xdy} \right)\cos \frac{y}{x} = y\left( {xdy - ydx} \right)\sin \frac{y}{x}\)Which of the following is the solution of the above equation (c is an arbitrary constant)?

\(\frac{x}{y}\cos \frac{y}{x} = c\)

\(\frac{x}{y}\sin \frac{y}{x} = c\)

Consider the following differential equation:\(x\left( {ydx + xdy} \ri

1.	Consider the following differential equation:\(x\left( {ydx + xdy} \right)\cos \frac{y}{x} = y\left( {xdy - ydx} \right)\sin \frac{y}{x}\)Which of the following is the solution of the above equation (c is an arbitrary constant)?
A.	\(\frac{x}{y}\cos \frac{y}{x} = c\)
B.	\(\frac{x}{y}\sin \frac{y}{x} = c\)
C.	\(xy\cos \frac{y}{x} = c\)
D.	\(xy\sin \frac{y}{x} = c\)
Answer» D. \(xy\sin \frac{y}{x} = c\)

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