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### Course: Computer science theory > Unit 1

Lesson 6: Recursive algorithms- Recursion
- The factorial function
- Challenge: Iterative factorial
- Recursive factorial
- Challenge: Recursive factorial
- Properties of recursive algorithms
- Using recursion to determine whether a word is a palindrome
- Challenge: is a string a palindrome?
- Computing powers of a number
- Challenge: Recursive powers
- Multiple recursion with the Sierpinski gasket
- Improving efficiency of recursive functions
- Project: Recursive art

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