(1 point) Solve the initial value problem
(2+x^(2))y^('')+1y=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)+cdots,
enter the following coefficients:
c_(0)=◻
c_(1)=◻
c_(2)=◻
c_(3)=◻
c_(4)=◻
c_(5)=◻
c_(6)=◻
c_(7)=◻