tan-1x + tan-1y = c is the general solution of the differential equation
(1 + x2)dy + (1 + y2)dx = 0
The degree of the differential equation of y = Ax + A3 is
1
2
3
4
The solution of the differential equation cos x cos y dx + sin x sin y dy = 0 is
tan x = c
sin x = c cos y
sec x - sec y = c
cos x = c sin y
Solution of (x2 + 3xy + y2) dx - x2dy = 0 is
None of these
The solution of dy/dx = ex+y + x2 ey; y(0) = 0 is
The solution of the differential equation ydx + (x + x2y) dy = 0 is.
-1/xy = c
log y = cx
1/xy + log y = c
-1/xy + log y = c
The solution of differential equation x dy - y dx = 0 represents
Rectangular hyperbola
Circle whose center is at origin
Parabola whose vertex is at origin
Straight line passing through origin
The degree of the differential equation is
0
The solution of y' - y = 1 and y(0) = - 1 is given by y (x) is equal to
-1
-exp (-x)
-exp (x)
exp (x) - 2
The differential equation obtained on eliminating A and B from the equation y = A cos ωt + B sin ωt, is
y" = -ω2y
y" + y = 0
y"+y"=0
y" - ω2y = 0
