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NDA2013MathematicsDifferential EquationsActual

What is the degree of the differential equation ( d^4 y d x^4 )^ 3 5 -5 d^3 y d x^3 +6 d^2 y d x^2 -8 d y d x +5=0 ?

Options

  1. A5
  2. B4
  3. C3
  4. D2

Correct answer

C. 3

Step-by-step solution

( d^4 y d x^4 )= ( 5 d^3 y d x^3 + 6 d^2 y d x^2 . . )^5 highest order =4 , degree =3

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