def calculate(x): ans = 0 ans = x - (x**3/factorial(3)) + (x**5/factorial(5)) - (x**7/factorial(7)) + (x**9/factorial(9)) - (x**11/factorial(11)) + (x**13/factorial(13)) return f'{str(x)} - {str(x**3)}/{str(factorial(3))} + {str(x**5)}/{str(factorial(5))} - {str(x**7)}/{str(factorial(7))} + {str(x**9)}/{str(factorial(9))} - {str(x**11)}/{str(factorial(11))} + {str(x**13)}/{str(factorial(13))}' def factorial(n): if n < 2: return 1 else: return n * factorial(n-1)

public static int factorial(int n)
    {
        if (n < 2)
        {
            return 1;
        }
        else
        {
            return n * factorial(n - 1);
        }
    }