Ex 9.1, 12 - The order of differential equation 2x2 d2y/dx2 - Order and Degree

  1. Class 12
  2. Important Question for exams Class 12
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Ex 9.1, 12 The order of the differential equation 2 𝑥﷮2﷯ 𝑑﷮2﷯𝑦﷮𝑑 𝑥﷮2﷯﷯−3 𝑑𝑦﷮𝑑𝑥﷯+𝑦=0 is (A) 2 (B) 1 (C) 0 (D) Not defined 2 𝑥﷮2﷯ 𝑑﷮2﷯𝑦﷮𝑑 𝑥﷮2﷯﷯−3 𝑑𝑦﷮𝑑𝑥﷯+𝑦=0 is ∴ 2 𝑥﷮2﷯ 𝑦﷮′′﷯﷯−3 𝑦﷮′﷯+𝑦=0 Highest Order of Derivative =2 ∴ Order =𝟐 ∴ Option A is correct.

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.