Question 46786
0 -(+2)-> 2 -(+4)-> 6 -(+6)-> 12
1st term: 0
2nd term: 2
3rd term: 6
{{{n^2 - n}}}
1st term: {{{1 - 1 = 0}}} TRUE
2nd term: {{{4 - 2 = 2}}} TRUE
3rd term: {{{9 - 3 = 6}}} TRUE