2 years ago

I need the answer quick pls I have a test

Mathematics

2 answers:

amid [387]2 years ago

8 0

Just Typing for more points

miss Akunina [59]2 years ago

5 0

.........................

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Answer:

1, 5, 17, 53, 161

Step-by-step explanation:

Given:

$a_1=1$

$a_n=3a_{n-1}+2$

First five terms of the sequence:

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$a_2=3a_1+2=3(1)+2=5$

$a_3=3a_2+2=3(5)+2=17$

$a_4=3a_3+2=3(17)+2=53$

$a_5=3a_4+2=3(53)+2=161$

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lisabon 2012 [21]

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