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The general solution of the differential equation dydxdydx+yx = 1 is ______. - Mathematics

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Question

The general solution of the differential equation `"dy"/"dx" + y/x` = 1 is ______.

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Solution

The general solution of the differential equation `"dy"/"dx" + y/x` = 1 is `x^2/2 + "C"`.

Explanation:

xy = `x^2/2 + "c"`

I.F. = `"e"^(int 1/x "d"x)`

= elogx

= x and the solution is y.

x = `int x * 1  "d"x = x^2/2 + "C"`

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Chapter 9: Differential Equations - Solved Examples [Page 190]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 12
Chapter 9 Differential Equations
Solved Examples | Q 22. (viii) | Page 190

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