Problem Solving with C++ (10th Edition)
Problem Solving with C++ (10th Edition)
10th Edition
ISBN: 9780134448282
Author: Walter Savitch, Kenrick Mock
Publisher: PEARSON
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Chapter 14, Problem 1PP

The formula for computing the number of ways of choosing r different things from a set of n things is the following:

C(n, r)=n!/(r! *(n−r)!)

The factorial function n! is defined by

n!=n*(n−1)*(n−2)*…*1

Discover a recursive version of this formula and write a recursive function that computes the value of the formula. Embed the function in a program and test it.

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