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MHT CET202620 April 2026Evening ShiftMathematicsDifferential EquationsActual

The order and degree of the differential equation 1 + 1 ( dy dx )^2 = ( d^2y dx^2 )^ 3 2 , respectively are

Options

  1. A2, 1
  2. B2, 3
  3. C1, 2
  4. D3, 2

Correct answer

B. 2, 3

Step-by-step solution

The given differential equation is 1 + 1 ( dy dx )^2 = ( d^2y dx^2 )^ 3 2 Squaring both sides to remove the fractional powers, we get: 1 + 1 ( dy dx )^2 = ( d^2y dx^2 )^3 Multiplying the entire equation by ( dy dx )^2 to express it as a polynomial in derivatives: ( dy dx )^2 + 1 = ( dy dx )^2 ( d^2y dx^2 )^3 The highest order derivative present in the equation is d^2y dx^2 , which means the order of the differential equation is 2 . The power of the highest order derivative in this polynomial form is 3 , which means

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