The differential equation of all non- horizontal lines in a plane is
The differential equation of all parabolas whose axes are parallel to X-axis, is
The degree of the differential equation
3
2
1
Not defined
If y = a sin(5 x+c), then
The degree of the differential equation is
0
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 order of the differential equation whose solution is y = a cos x + b sin x + c e-x is
4
If x = A cos 4 t + B sin 4 t, the is equal to
-16 x
16 x
x
-x
Solution of the differential equation x dy - y dx = 0 represents a
parabola
circle
hyperbola
straight line
The differential equation of the family of straight lines whose slope is equal to y - intercept, is