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Recursion basics

Sum of numbers

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Imagine that we are writing a recursive function for the sum of the first n positive numbers. What will be the trivial base case of our function?

Select one option from the list

if n = 2, sum = 2

if n = 0, sum = 1

if n = 1, sum = 1

if n > 1, sum = n + sum (n - 1)

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