InterviewSolution
Saved Bookmarks
| 1. |
Solution of the differential equation `xdy-ydx=0` representsA. a rectangular hyperbolaB. a straight line passing through the originC. parabola whose vertex is at the originD. circle whose centre is at the origin |
|
Answer» Correct Answer - B We have, `xdy-ydx=0` `rArr" "(1)/(y)dy-(1)/(x)dx=0` `rArr" "logy-logx=logC" [On integrating]"` `rArr" "(y)/(x)=C rArr y=Cx` Clearly, it represents a straight line passing through the origin. |
|