Write using C++ ONLY!!!

1. Implement a recursive method fibo that takes an integer num as a parameter and returns the nth 2. Implement a recursive method printDigits that takes an integer num as a parameter and prints its digits in reverse order, one digit per line. 3. Implement a recursive method mult that takes two integer parameters, x and y and returns their product. x yxty 1 +yYou should know not all computers provide product as an operator. Some computers can onl do two operations, pl 4. Write a program that tests the three methods above. us and minus