Let S be the subset of the set of ordered pairs of integers defined recursively by Basis step: (0,0) = S Recursive step: If (a, b) e S, then (a, b + 1) = S, (a + 1, b + 1) € S, and (a + 2, b + 1) € S. List the elements of S produced by the first four applications of the recursive definition. Enter your answers in the form (a₁, b₁), (a2, b2),..., (an, bn), in order of increasing a, without any spaces.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Let S be the subset of the set of ordered pairs of integers defined recursively by
Basis step: (0,0) = S
F
Recursive step: If (a, b) = S, then (a, b + 1) = S, (a + 1, b + 1) = S, and (a + 2, b + 1) = S.
List the elements of S produced by the first four applications of the recursive definition.
Enter your answers in the form (a₁, b₁), (a2, b2),..., (an, bn), in order of increasing a, without any spaces.
The first application of the recursive step adds (Click to select) ✓to S.
The second application of the recursive step adds (Click to select)
The third application of the recursive step adds (Click to select)
The fourth application of the recursive step adds (Click to select)
to S.
✓to S.
✓to S.
Transcribed Image Text:Let S be the subset of the set of ordered pairs of integers defined recursively by Basis step: (0,0) = S F Recursive step: If (a, b) = S, then (a, b + 1) = S, (a + 1, b + 1) = S, and (a + 2, b + 1) = S. List the elements of S produced by the first four applications of the recursive definition. Enter your answers in the form (a₁, b₁), (a2, b2),..., (an, bn), in order of increasing a, without any spaces. The first application of the recursive step adds (Click to select) ✓to S. The second application of the recursive step adds (Click to select) The third application of the recursive step adds (Click to select) The fourth application of the recursive step adds (Click to select) to S. ✓to S. ✓to S.
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