Let n be a positive integer. Give a recursive algorithm for computing the sum of the first n positive integers by filling in the boxes in the procedure below with the expressions n, n – 1 or 1. Note: You have to use some expressions more than once, but each box must contain only one of those expressions. - procedure sum( : positive integer) if then sum 1 n else sum + sum

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Let n be a positive integer. Give a recursive algorithm for computing the sum of the first
n positive integers by filling in the boxes in the procedure below with the expressions n,
n – 1 or 1. Note: You have to use some expressions more than once, but each box must
contain only one of those expressions.
procedure sum
: positive integer)
if
then sum
1
else sum
+ sum
Transcribed Image Text:Let n be a positive integer. Give a recursive algorithm for computing the sum of the first n positive integers by filling in the boxes in the procedure below with the expressions n, n – 1 or 1. Note: You have to use some expressions more than once, but each box must contain only one of those expressions. procedure sum : positive integer) if then sum 1 else sum + sum
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