rhinotree4 rhinotree4

16-07-2020
Mathematics

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What is the recursive rule for this geometric sequence? 1/2 ,−2, 8, −32,

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wegnerkolmp2741o wegnerkolmp2741o

16-07-2020

Answer:

an = an-1 * -4

Step-by-step explanation:

First we need to find the common ratio

r = second term / first term

= -2/ (1/2) = -4

The recursive formula is

an=an−1 * r

an = an-1 * -4

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