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Given this algorithm written in pseudocode:   Algo(n) Input: A positive integer n Output: Answer, Algo(n) If...

Given this algorithm written in pseudocode:

  Algo(n)
Input: A positive integer n
Output: Answer, Algo(n)

If n = 1
Answer = 3
Else
Answer = 3 × Algo(n-1)
End if

What is Algo(4)?

Please provide a detailed answer! thank you!

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The above picture is about pseudocode and tracing the given example

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