3 years ago

What is the value of term a^4?

Mathematics

1 answer:

klasskru [66]3 years ago

8 0

Answer:

Step-by-step explanation:

$\text{We have the recursive formula of a series:}\\\\a_1=5\\a_n=3a_{n-1}\\\\a_2=3a_{2-1}=3a_1\to a_2=3(5)=15\\\\a_3=3a_{3-2}=3a_2\to a_3=3(15)=45\\\\a_4=3a_{4-1}=3a_3\to a_4=3(45)=135$

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