Question

Question 8
Write a program in Java to print the sum of the given series:​

Answer 1

Answer:

and where is the series....

Answer 2

Answer:

import java.util.Scanner;

public class Sum_Series

{

public static void main(String[] args)

{

double sum = 0;

int n;

System.out.println("1/1! + 2/2! + 3/3! + ..N/N!");

Scanner s = new Scanner(System.in);

System.out.print("Enter the no. of terms in series:");

n = s.nextInt();

Sum_Series obj = new Sum_Series();

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

{

sum = sum + (double)i / (obj.fact(i));

}

System.out.println("Sum of series:"+sum);

}

int fact(int x)

{

int mul = 1;

while(x > 0)

{

mul = mul * x;

x--;

}

return mul;

}

}

Output:

$ javac Sum_Series.java

$ java Sum_Series

1/1! + 2/2! + 3/3! + ..N/N!

Enter the no. of terms in series:5

Sum of series:2.708333333333333

Explanation:

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