sir plz solve this problem.

Asked by prabhat1993 | 13th Feb, 2010, 11:24: PM

Expert Answer:

yex/y dx = (xex/y + y2) dy

dx/dy = (xex/y + y2)/(yex/y)

Put x = uy, x/y = u.

dx/dy = u + ydu/dy

u + ydu/dy = u + y/eu


eudu = dy.

Integrating both sides,

eu = y +c

ex/y = y + c

y = ex/y + c

Regards,

Team,

TopperLearning.

 

 

 

 

 

Answered by  | 14th Feb, 2010, 10:36: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.