definition: an = a × rn-1
example: 1, 2, 4, 8, 16, 32, 64, 128, ...
the first number | |
common ratio (r) | |
the nth number to obtain | |
definition: an = a × rn-1
example: 1, 2, 4, 8, 16, 32, 64, 128, ...
the first number | |
common ratio (r) | |
the nth number to obtain | |