मराठी

The solution of the differential equation dtdxxdtdx+2y = x2 is ______. - Mathematics

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प्रश्न

The solution of the differential equation `x "dt"/"dx" + 2y` = x2 is ______.

पर्याय

  • y = `(x^2 + "c")/(4x^2)`

  • y = `x^2/4 + "c"`

  • y = `(x^4 + "c")/x^2`

  • y = `(x^4 + "c")/(4x^2)`

MCQ
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उत्तर

The solution of the differential equation `x "dt"/"dx" + 2y` = x2 is y = `(x^4 + "c")/(4x^2)`.

Explanation:

I.F. = `"e"^(int 2/x  "d"x) = "e"^(2logx)`

= `"e"^(logx^2)`

= x2.

Therefore, the solution is y.

x2 = `int x^2 * x "d"x`

= `x^4/4 + "k"`,

i.e., y = `(x^4 + "c")/(4x^2)`.

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पाठ 9: Differential Equations - Solved Examples [पृष्ठ १८९]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 12
पाठ 9 Differential Equations
Solved Examples | Q 21 | पृष्ठ १८९

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