Question 4 - 6 points ' Q4: (*do not write in this bOsz} Let A be the set of numbers written by using the digits 1, 1, 3, 4, 4 and 5 (thus, 6 digit numbers}. Let B the set of perfect cubes up to 106. Let C be the set of primes up to 105. Let D be the set of numbers up to 10'5 that can be written as sum of a square and a cube. Identify {from these sets): all numbers from set A that are perfect cubes. b} numbers from A that are prime or can be written as sum of a square and a perfect cube. c] perfect cubes that are sum of a square and a perfect cube. d} primes that are not the sum of a square and a cube. Suggestion. You might find useful the command Perm utations