See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
11 cards from this deck
Difference between consecutive terms
555
Tn=a+(n−1)⋅dT_n = a + (n-1) \cdot dTn=a+(n−1)⋅d
Tn=5n−2T_n = 5n - 2Tn=5n−2
989898
15th15th15th term
Constant (equal) second differences
Tn=an2+bn+cT_n = an^2 + bn + cTn=an2+bn+c
aaa = half of second difference
Tn=n2+3T_n = n^2 + 3Tn=n2+3
103103103
Select your subjects, and get access to A+ resources today.