The differential equation of all parabolas whose axes are parallel to X-axis, is
The differential equation y dy/dx + x = c represents
a family of hyperbolas
a family of circles whose centres are on the y- axis
a family of parabolas
a family of circles whose centres are on the x- axis
The solution of the differential equation dy/dx = ex+y is
ex + ey = c
ex - ey = c
ex + e-y = c
ex - e-y = c
The degree of the differential equation is
0
1
2
3
The order of the differential equation is
The differential equation of the family of straight lines whose slope is equal to y - intercept, is
The solution of the differential equation dy/dx = ey+x + ey-x is
e-y = ex - e-x + c
e-y = e-x - ex + c
e-y = ex + e-x + c
e-y + ex + e-x + c
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 degree of the differential equation
Not defined
The order of the differential equation whose solution is y = a cos x + b sin x + ce-x is
4
