1.

The order and degree of the differential equation \[{{\left( \frac{{{d}^{2}}y}{d{{x}^{2}}} \right)}^{3}}+{{\left( \frac{dy}{dx} \right)}^{4}}-xy=0\] are respectively             [MP PET 2003]

A.                 2 and 4   
B.                 3 and 2
C.                 4 and 5   
D.                 2 and 3
Answer» E.


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