which method is best to use in java: double result1 = 4 * (1.0 - 1.0 / 3.0 1.0 / 5.0 - 1.0 / 7.0 1.0 / 9.0 - 1.0 / 11.0 1.0 / 13.0); double result2 = 4 * (1 - 1 / 3 1 / 5 - 1 / 7 1 / 9 - 1 / 11 1 / 13);