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If m and n are the order and degree of t...

If m and n are the order and degree of the differential equation `((d^2y)/(dx^2))+4(((d^2y)/(dx^2))^2)/(((d^3y)/(dx^3)))+(d^3y)/(dx^3)=x^2-1`, then

A

m=3 and n=5

B

m=3 and n=1

C

m=3 and n=3

D

m=3 and n=2

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The correct Answer is:
D
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