Solve the initial value problem (2+x2)y +3y=0, y(0)=0, y′ (0)=9. If the solution is y=c
0

+c
1

x+c
2

x
2
+c
3

x
3
+c
4

x
4
+c
5

x
5
+c
6

x
6
+c
7

x
7
+⋯ enter the following coefficients: c
0

=
c
1

=
c
2

=
c
3

=
c
4

=
c
5

=
c
6

=

c
7

=