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What is the value of term a^4?
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What is the value of term a^4?

What is the value of term a^4?-example-1
User Lapis
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1 Answer

4 votes

Answer:

135

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

User Thomas Higginbotham
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