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Recursive Functions

Explore the core concepts of recursive functions, including how they call themselves, the importance of termination conditions, and their essential properties. Understand why recursion must change its state and how it differs from iterative solutions. This lesson prepares you to implement classic recursive problems such as factorials, greatest common divisor, Fibonacci numbers, permutations, and the Tower of Hanoi.

Introduction

The function that calls itself directly or indirectly is known as a recursive function. The recursive method consists of two parts: the termination condition and the body. Both of them are explained below:

Termination condition

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