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25 votes
25 votes
A^1 =5, a^n = a^n-1 (7) explicit formula

User Ludovico Fischer
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1 Answer

17 votes
17 votes

Answer:


a_(n)=5* \left( 7\right)^(n-1)

Explanation:


a_(n)=a_(n-1)*7

Then the common ratio = 7

Then the explicit formula is :


a_(n)=a_(1)* \left( 7\right)^(n-1)


=5* \left( 7\right)^(n-1)

User Taha Samad
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2.7k points