if x # y is defined to equal x ^ 3 / y for all x and y , then ( - 1 # 2 ) # 3 =
"( - 1 ) ^ 3 / 2 = 1 / 2 ( 1 / 2 ) ^ 3 / 3 = 1 / 24 so e is my answer"
divide(power(divide(power(negate(1), 3), 3), 3), negate(3))