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 one year ago
Write the recursive formula for the geometric sequence.
a1 = 2 a2 = 8 a3 = 32
A. an = 4 + an1
B. an = 2 + an1
C. an = 2 • an1
D. an = 4 • an1
 one year ago
Write the recursive formula for the geometric sequence. a1 = 2 a2 = 8 a3 = 32 A. an = 4 + an1 B. an = 2 + an1 C. an = 2 • an1 D. an = 4 • an1

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campbell_st
 one year ago
Best ResponseYou've already chosen the best response.0well a term in a geometric series is \[a_{n} = a_{1} r^{n 1}\] you have the 1st term 2 you need to find the common ratio r... is can be done by comparing terms \[\frac{a_{2}}{a_{1}} = \frac{a_{3}}{a_{2}}\] hope this helps

Tabbiejack
 one year ago
Best ResponseYou've already chosen the best response.0I am a parent trying to help my child and I don't understand this.... she has the answer but I don't know if its right

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.0what answer does she have..?

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.0each term is being multiplied by 4 so term 2 = 4 x term 1 8 = 4 x 2 if its correct try it with term 3 term 3 = 4 x term 2 32 = 4 x 8 is it correct.. hope this helps...

mahdi2020
 one year ago
Best ResponseYou've already chosen the best response.0\[(1)^{n} * (2)^{2n1}\] is useful? i can solve 99 percent of math questions

Hero
 one year ago
Best ResponseYou've already chosen the best response.099% are you sure @mahdi2020?

mahdi2020
 one year ago
Best ResponseYou've already chosen the best response.0yes sure i`m a engeenier

Tabbiejack
 one year ago
Best ResponseYou've already chosen the best response.0ok but I don't understand what is the right answer?

Tabbiejack
 one year ago
Best ResponseYou've already chosen the best response.0@Hero can you please help me with this answer

mahdi2020
 one year ago
Best ResponseYou've already chosen the best response.0you can check the answers input n=1, 2 3 , ... my ans is ok
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