हिंदी

Find the Particular Solution of the Differential Equation `(X - Y) Dy/Dx = (X + 2y)` Given that Y = 0 When X = 1.

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प्रश्न

Find the particular solution of the differential equation `(x - y) dy/dx = (x + 2y)` given that y = 0 when x = 1.

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उत्तर १

`dy/dx = (x + 2y)/(x - y)`

Putting y = Vx

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उत्तर २

The given differential equation is

`(x - y) dy/dx = x + 2y`

`=> dy/dx = (x + 2y)/(x - y)`

This is a homogeneous differential equation. 

Putting y=vx and `dy/dx = v + x dy/dx`, we get

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2016-2017 (March) All India Set 1

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