Question

Wap in java to print the following series: s=1+2^2/a+3^3/a^2..........n

Answer 1

answer:

public void computeSum() { 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; int lastPrime = 1; for (int i = 1; i <= n; i++) { for (int j = lastPrime + 1; j <= Integer.MAX_VALUE; j++) { boolean isPrime = true; for (int k = 2; k <= j / 2; k++) { if (j % k == 0) { isPrime = false; break; } } if (isPrime) { sum += j / Math.pow(a, i); lastPrime = j; break; } } } System.out.println("Sum=" + sum); } }

hope it helps you