Computer Applications
Write a program in Java to find the sum of the given series:
x - x2/3 + x3/5 - x4/7 + …. to n terms
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 x: ");
int x = in.nextInt();
System.out.print("Enter n: ");
int n = in.nextInt();
double sum = 0;
int a = 1;
for (int i = 1, j = 1; i <= n; i++, j+=2) {
double term = Math.pow(x, i) / j * a;
sum += term;
a *= -1;
}
System.out.println("Sum = " + sum);
}
}Variable Description Table
Program Explanation
Output
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Related Questions
Write a program in Java to find the Fibonacci series within a range entered by the user.
Sample Input:
Enter the minimum value: 10
Enter the maximum value: 20Sample Output:
13Give the output of the following program segment. How many times is the loop executed?
for(x=10; x>20;x++) System.out.println(x); System.out.println(x*2);Define a class to accept a number and check whether it is a SUPERSPY number or not. A number is called SUPERSPY if the sum of the digits equals the number of the digits.
Example1:
Input: 1021 output: SUPERSPY number [SUM OF THE DIGITS = 1+0+2+1 = 4, NUMBER OF DIGITS = 4 ]Example2:
Input: 125 output: Not an SUPERSPY number [1+2+5 is not equal to 3]