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CBSE Class 12-science Answered

sir plz solve this problem.
Asked by prabhat1993 | 13 Feb, 2010, 11:24: PM
answered-by-expert 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

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