Fill in the code to complete the following method for computing factorial.

```
/** Return the factorial for a specified index */
public static long factorial(int n) {
if (n == 0) // Base case
return 1;
else
return _____________; // Recursive call
}
```
a. n * (n - 1)
b. n
c. n * factorial(n - 1)
d. factorial(n - 1) * n


c. n * factorial(n - 1)
d. factorial(n - 1) * n

Computer Science & Information Technology

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What will be an ideal response?

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Fill in the blank(s) with correct word

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________ is a system for exchanging messages through a computer network.

A. HTML B. HTTPS C. Wiki D. Email

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