Question: Another kind of recursion, called indirect recursion, results when two procedures call each other. In the following program, the variable counter is used to terminate

Another kind of recursion, called indirect recursion, results when two procedures call each other. In the following program, the variable counter is used to terminate repetition:

If n is a positive integer, then n factorial (written n!) is the product of the numbers from 1 through n. Write a recursive function to calculate n factorial.

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