A) 1
B) 2
C) 3
D) 4
Correct Answer: B
Solution :
[b] In the given equation, \[K.\frac{{{d}^{2}}y}{d{{x}^{2}}}={{\left[ 1+{{\left( \frac{dy}{dx} \right)}^{3}} \right]}^{3/2}}\] Squaring both the sides, \[{{K}^{2}}.{{\left( \frac{{{d}^{2}}y}{d{{x}^{2}}} \right)}^{2}}={{\left[ 1+{{\left( \frac{dy}{dx} \right)}^{3}} \right]}^{3}}\] Degree of a differential equation is the highest power of the highest derivative in equation when derivatives are expressed as polynomial. Here degree of differential equation is 2.
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