Given that the polynomial x^2 - 15x + t = 0 has only positive integer roots, find the average of all distinct possible values of t.
Given that the polynomial x^2 - 15x + t = 0 has only positive integer roots, find the average of all distinct possible values of t.
possible resulting
values of x values of t
0 15 0
1 14 14
2 13 26
3 12 36
4 11 44
5 10 50
6 9 54
7 8 56
–––––
total of t's 280
Avgt 280 / 8 = 35
.