Question

write a program in java to find and display the sum of the following series s=1/a+1/a^2+1/a^3+............. +1/a^n​

Answer 1

Question:-

Write a program in java to find and display the sum of the series.

S=1/a +1/a^2 +1/a^3 +......

Program:-

import java.util.*;

class Sum

{

public static void main(String args[])

{

Scanner sc=new Scanner(System.in);

System.out.print("Enter the value of a: ");

int a=sc.nextInt();

double s=0.0;

if(a==0) // checks if a is 0 or not.

{

System.out.println("Invalid Input..Please try again. ");

System.exit(0);

}

else

{

int d=1;

for(int i=1;i<=n;i++)

{

s+=1/Math.pow(a, d);

d+=2;

}

}

System.out.println("Sum of the series is: "+s);

}

}