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Question
Find the order and degree of the following diff erential equation:
(2 – y”)2 = y”2 + 2y’
Solution
(2)2 – 2(2)(y”) + (y”)2 = (y”)2 + 2y’
4 – 4y” = 2y’
Highest order derivative is y”
∴ Order = 2
Power of the highest order derivative y” is 2
∴ Degree = 2
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