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The sum of the order and the degree of the differential equation ddx[(dydx)3] is ______.

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Question

The sum of the order and the degree of the differential equation `d/dx[(dy/dx)^3]` is ______.

Options

  • 2

  • 3

  • 5

  • 0

MCQ
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Solution

The sum of the order and the degree of the differential equation `d/dx[(dy/dx)^3]` is 3.

Explanation:

`d/dx[(dy/dx)^3] = 3(dy/dx)^2 (d^2y)/(dx^2)`

Here order = 2 and degree = 1

∴ Sum of the order and the degree = 2 + 1 = 3.

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2022-2023 (March) Delhi Set 1

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