Question

Show that the cube of positive integer is 6q+r ,where q is an integer & r=0,1,2,3,4,5

Answer 1

6(6)² + 0 = 6³

6(0) + 1 = 1³

6(1) + 2 = 8 = 2³

6(4) + 3 = 27 = 3³

6(10) + 4 = 64 = 4³

6(20) + 5 = 125 = 5³