11. Give the base case, reduced problem, and general solution of the recursive algorithm for:

This is a's answer. i do not know c,d,e,f. Please answer these question.

Problem	Base Case	Reduced Problem	General Solution
n!	0! =1	(n-1)!	n!=n*(n-1)!

a. n!

b. x^v

c. The product of two integers a and b.

d. The sum of the integers from a to b, a > b.

e. Outputting an array of characters, c, given the starting and ending indices.

f. Binary search of an array to locate the value aKey.