4 Write a program that solves the following series? d 12 34 55 +-+ 2! out of (n+1)! question O a. #include int fact(int n); int power (int x, int n); main() { int n, i; float sum=0; cin>>n; for(i=1;i int fact (int n); int power(int x, int n); main() { int n, i; float sum=0; cin>>n; for(i=1;i int fact (int n); int power (int x, int n); main() { int n, i; float sum=0; cin>>n; for(i=1;i int fact(int n); int power(int x, int n); main() { int n, i; float sum=0; cin>>n; for(i=1;i