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Please solve RD Sharma Class 12 Chapter 21 Differential Equation Exercise Multiple choice Question Question 37 maths textbook solution.

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Answer : (c)p>q

Hint: order is the highest order derivative appears in the differential equation

Given : y \frac{d y}{d x}+x^{3} \frac{d^{2} y}{d x^{2}}+x y=\cos x

Explanation:  Order is the highest order derivative appears in the differential equation is \frac{d^{2}y}{dx^{2}} and its power is 1

Order =p=2 degree =q=1

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