1.

The order and degree of the differential equation \[\sqrt{\frac{dy}{dx}}-4\frac{dy}{dx}-7x=0\]are                                   [MP PET 1993]

A.                 1 and 1/2
B.                 2 and 1
C.                 1 and 1   
D.                 1 and 2
Answer» E.


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