The sequence {n} is defined recursively as follows: ho = 1, and hn 3. hn-1 + 1, for n ≥ 1. = Suppose that the following theorem is proven by induction: Theorem: For any non-negative integer n, hn = 1/2 · (3¹+¹ − 1). The proof of the induction step (after stating what is assumed and will be proven) starts out as: hk+1 = 3.hk +1 (Label 1) hk+1 = 3·½(3k+¹ − 1) (Label 2) hk+1 What are the correct labels for lines 1 and 2? Label 1: by the inductive hypothesis
The sequence {n} is defined recursively as follows: ho = 1, and hn 3. hn-1 + 1, for n ≥ 1. = Suppose that the following theorem is proven by induction: Theorem: For any non-negative integer n, hn = 1/2 · (3¹+¹ − 1). The proof of the induction step (after stating what is assumed and will be proven) starts out as: hk+1 = 3.hk +1 (Label 1) hk+1 = 3·½(3k+¹ − 1) (Label 2) hk+1 What are the correct labels for lines 1 and 2? Label 1: by the inductive hypothesis
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:The sequence {hn} is defined recursively as follows:
ho
3. hn-1 + 1, for n ≥ 1.
=
1, and hn
=
Suppose that the following theorem is proven by induction:
Theorem: For any non-negative integer n, h₁ = 1/2 · (3n+1
hn · (3n+¹ − 1).
The proof of the induction step (after stating what is assumed and will be proven) starts out as:
(Label 1)
(Label 2)
hk+1
hk +1
hk+1
What are the correct labels for lines 1 and 2?
= 3.hk +1
= 3 ⋅ ½⁄2 (3k+¹ − 1)
Label 1: by the inductive hypothesis
Label 2: by algebra.
Label 1: by definition.
Label 2: by the inductive hypothesis
O Label 1: by algebra.
Label 2: by the inductive hypothesis
Label 1: by the inductive hypothesis
Label 2: by definition.
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