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| #include <iostream>#include<iomanip>#include<conio.h>#include<math.h>using namespace std;int main(){ int num,i=1; double fact=1,sum=0; cout<<"Enter number : "<<endl; cin>>num;cout<<endl<<endl; while(i<=num) { if(i>1) fact=fact*(i-1)*i; sum=sum+(1/fact); i=i+2; } cout<<"Sum is "<<sum; getch();} |
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