After reading the book, I am having confusion to calculate the degree of the following differential equations:\begin{align}&\frac{d^2y}{dx^2}+ x\sin{y}=0 \text{ and}\\&\frac{d^2y}{dx^2}+x\sin{\frac{dy}{dx}}=0.\end{align}It will be highly appreciated, if any one answer these question.
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