The statement that completes the blank is input value
From the question, we have the following concepts:
There are two methods in recursions, and they are:
The role of the inner method is to check for valid input value
When the input value is valid, this value is sent to the outer method
Hence, the complete statement is "The outer method should check for a valid input value and then call the inner method."
Read more about recursion at:
https://brainly.com/question/14208577
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