Sequences
Arithmetic number sequence
[[$d=a_2 -a_1$]] | difference number |
[[$a_n = a_1 +(n-1)d$]] | general term |
Geometric number sequence
[[$ q = \dfrac{a_2}{a_1}$]] | ratio |
[[$ a_n =a_1q^{n-1} $]] | general term |
[[$d=a_2 -a_1$]] | difference number |
[[$a_n = a_1 +(n-1)d$]] | general term |
[[$ q = \dfrac{a_2}{a_1}$]] | ratio |
[[$ a_n =a_1q^{n-1} $]] | general term |