Tagged with 65

#math trivia #65 solution

Burt Kaliski Jr. (@modulomathy) 3/5/12 1:05 PM #math trivia for #March5: #65 = (x^2-xy+y^2)(x+y) for positive integers x, y. What are x and y? (Hint: simplify the product.) Simplifying the product by multiplying the terms gives 65 = x^3+y^3 The solution is x = 4, y = 1, or vice versa.