Question

Which of the following recursive formulas represents the same geometric sequence as the formula an = 3 * 3n - 1?

A. an = 9 * an - 1
B. an = 3 * an - 1
C. an = 9 + an - 1
D. an = 3 + an - 1

Answer 1

@ShadowLegendX
@Nnesha

Answer 2

recursive formula is
\[\huge\rm a _{n} = a _{n-1} \times r \]

Answer 3

no parentheses but yes

Answer 4

\[3 \times 3n-1 ???\]

Answer 5

nope that suppose to be \[\huge a _{n} = 3 \times 3_{n-1}\]
???right ??

Answer 6

yes

Answer 7

yea thas rihgt

Answer 8

last one ??
oaky so what is ratio ??

Answer 9

9? @Nnesha

Answer 10

nope look at the equation that i gave you what is r there

Answer 11

@Nnesha

Answer 12

yes so now just replace r by 3