Programs on Recursion.

• Write a recursive function to calculate factorial of a number.
• Write a recursive function to find Nth term of Fibonacci series.
• Write a recursive function to sort an array.
• Write a recursive function to print first N natural numbers.
• Write a recursive function to print first N natural numbers in reverse order.
• Write a recursive function to calculate sum of digits of a number.
• Write a recursive function to calculate sum of squares of digits of a number.
• Write a recursive function to calculate sum of cubes of first N natural numbers.
• Write a recursive function to calculate determinant of any order.