The degree of the differential equation
3
2
2
2
sin
1
0
d y
dy
dy
dx
dx
dx
⎛
⎞
⎛
⎞
⎛
⎞
+
+
+ =
⎜
⎟
⎜
⎟
⎜
⎟
⎝
⎠
⎝
⎠
⎝
⎠
 is
(A) 3
(B) 2
(C) 1
(D) not defined
12 The order of the differential equation
2
2
2
2
3
0
d y
dy
x
y
dx
dx
−
+
=
 is
(A) 2
(B) 1
(C) 0
(D) not defined
9 3 General and Particular Solutions of a Differential Equation
In earlier Classes, we have solved the equations of the type:
x2 + 1 = 0