When utilising recursion to solve a problem, why does the recursive function have to call itself to solve a smaller version of the original issue?

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter15: Recursion
Section: Chapter Questions
Problem 20SA
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When utilising recursion to solve a problem, why does the recursive function have to call itself to solve a smaller version of the original issue?

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