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Write a recursive function definition for the following function:

```cpp
int exp5(int n);
// Precondition: n >= 1
// Returns the exponential of 5, [tex]5^n[/tex].

Example:
exp5(4) returns 625 // [tex]5^4 = 625[/tex]
```

Answer :

Final answer:

The recursive function exp5(int n) calculates the exponential of 5 (5^n). The function works by checking if n is 1, and if not, it recursively calculates 5^n by multiplying 5 by the function itself, decreasing n by 1 each time.

Explanation:

In the field of Computers and Technology, especially programming, a recursive function is one that calls itself as part of its execution. For a function that calculates the exponential of 5, we can use such a recursive method. Consider the function exp5:

int exp5(int n) {
//base case
if(n == 1) {
return 5;
}
//recursive case
else {
return 5 * exp5(n-1);
}
}

This function works by checking if n is equal to 1 (base case), and if so, simply returning 5. If not, it recursively calculates the exponential of 5, 5n, by multiplying 5 by the function itself, exp5, decreasing the argument n by 1 each time.

Learn more about Recursive Function here:

https://brainly.com/question/30027987

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