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Question

Find the order and degree of d2ydx2=[1+(dydx)2]3/2

A
1,2
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B
2,2
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C
2,32
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D
32,2
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Solution

The correct option is D 2,2
d2ydx2=[1+(dydx)2]3/2

Squaring both sides, we get

(d2ydx2)2=[1+(dydx)2]3
Order: Order of a differential equation is the order of the highest order derivative (also known as differential coefficient) present in the equation

Degree: The degree of the differential equation is represented by the power of the highest order derivative in the given differential equation.

Hence the degree of the given differential is 2 and the order is also 2.

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