Ex 9.1, 11 (MCQ) - Chapter 9 Class 12 Differential Equations (Important Question)

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Ex 9.1, 11 - The degree of differential equation (d2y/dx2)3

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Ex 9.1, 11 The degree of the differential equation ((๐‘‘^2 ๐‘ฆ)/(๐‘‘๐‘ฅ^2 ))^3+(๐‘‘๐‘ฆ/๐‘‘๐‘ฅ)^2+๐‘ ๐‘–๐‘›(๐‘‘๐‘ฆ/๐‘‘๐‘ฅ)+1=0 is (A) 3 (B) 2 (C) 1 (D) Not defined ((๐‘‘^2 ๐‘ฆ)/(๐‘‘๐‘ฅ^2 ))^3+(๐‘‘๐‘ฆ/๐‘‘๐‘ฅ)^2+๐‘ ๐‘–๐‘›(๐‘‘๐‘ฆ/๐‘‘๐‘ฅ)+1=0 (๐‘ฆ^โ€ฒโ€ฒ )^3+(๐‘ฆ^โ€ฒ )^2+sin (๐‘ฆ^โ€ฒ )+1=0 Since ๐‘ฆ^โ€ฒ is in sin (๐‘ฆ^โ€ฒ ) It is not a Polynomial equation โˆด Degree is Not Defined โˆด Option D is correct.

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