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Computer Applications

Write a program in Java to find the sum of the given series:

S = 1/a + 1/a2 + 1/a3 + …… + 1/an

Java

Java Iterative Stmts

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Answer

import java.util.Scanner;

public class KboatSeries
{
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter a: ");
        int a = in.nextInt();
        System.out.print("Enter n: ");
        int n = in.nextInt();
        double sum = 0.0;
        for (int i = 1; i <= n; i++)
            sum += 1 / Math.pow(a, i);
        System.out.println("Sum = " + sum);
    }
}

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Program Explanation

Output

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