Question

Solution of Differential Equation $xdy - ydx = 0$ represents

• A. A rectangular Hyperbola
• B. Parabola whose vertex is at origin
• C. Straight line passing through origin
• D. A circle whose centre is origin

Answer 1

Answer: (C)

$x d y=y d x\,\, \frac{d y}{d x}=\frac{y}{x}$
$m=\frac{y}{x}$
$y=m x$