How to write program 1- 1/3+1/4+1/5......n

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 double a=4.0,sum=0.0; // take third term as "a"

int n=10;

 for(i=1 ;i<=n-2;i++)

{

sum=sum + 1/a;

a++

}

System.out.prtinln(1- 1.0/3+sum);

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