question_answer

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

A)  \[1\,\,and\,\,\frac{1}{2}\]                      

B)  2 and 1

C)  1 and 1           

D)  1 and 2

E)  None of these