The degree of the differential equation
3
2
1
Not defined
The order of the differential equation whose solution is y = a cos x + b sin x + c e-x is
4
The equation of family of curve is y2 = 4a (x+a) then differential equation of the family is
y = y' + x
y = y " + x
y = 2 y'x + yy' 2
y " + y ' + y2 = 0
The differential equation of system of concentric circles with center (1,2) is
(x-2) + (y-1) dy/dx = 0
(x+1) dy/dx + (y-2) = 0
(x + 2) dy/dx
(x-1) + (y - 2) dy/dx = 0
The differential equation of all parabolas whose axes are parallel to X-axis, is
Solution of the differential equation x dy - y dx = 0 represents a
parabola
circle
hyperbola
straight line
The differential equation of all non- horizontal lines in a plane is
The order of the differential equation is
The differential equation of the family of curves y = a cos (x +b) is
None of these
The differential equation of the family of straight lines whose slope is equal to y - intercept, is
