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Integrating factor of the differential equation dydxxdydx-y = sinx is ______.

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Question

Integrating factor of the differential equation `x "dy"/"dx" - y` = sinx is ______.

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Solution

Integrating factor of the differential equation `x "dy"/"dx" - y` = sinx is `1/x`.

Explanation:

`1/x`; given differential equation can be written as `"dy"/"dx" - y/x = sinx/x`

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

= `"e"^(-logx)`

= `1/x`.

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Chapter 9: Differential Equations - Solved Examples [Page 189]

APPEARS IN

NCERT Exemplar Mathematics Exemplar [English] Class 12
Chapter 9 Differential Equations
Solved Examples | Q 22. (vi) | Page 189

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