Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Suppose that for f₁, f₂
fo
=
is a sequence defined as follows.
= 16
5, f₁ = 16,
= 7fk - 1
10fk
Prove that f= 3 - 2ª + 2 · 5″ for each integer n ≥ 0.
Proof by strong mathematical induction: Let the property P(n) be the equation f = 3.2" +2.5".
We will show that P(n) is true for every integer n ≥ 0.
Show that P(0) and P(1) are true:
Select P(0) from the choices below.
O P(0) = 3.20 +2.5⁰
O P(0) = fo
To = 5
O f = 3.20 +2.5⁰
- 2
Select P(1) from the choices below.
O P(1) = f₁
OP(1) = 32¹ + 2 · 5¹
f₁ = 3.2¹ +2 5¹
f₁
P(0) and P(1) are true because 3 20 +2.50 = 5 and 3 · 2¹ + 2.5¹ = 16.
Show that for every integer k ≥ 1, if P(i) is true for each integer i from 0 through k, then P(k+ 1) is true:
for every integer k ≥ 2
Now, by definition of fo, f₁, f₂,
fk+ 1 =
Let k be any integer with k ≥ 1, and suppose that for every integer i with 0 ≤ i ≤ k, f; =
Apply the inductive hypothesis to fk and fk - 1
This is the --Select---
and complete the proof as a free response. (Submit a file with a maximum size of 1 MB.)
We must show that f
+1
=
expand button
Transcribed Image Text:Suppose that for f₁, f₂ fo = is a sequence defined as follows. = 16 5, f₁ = 16, = 7fk - 1 10fk Prove that f= 3 - 2ª + 2 · 5″ for each integer n ≥ 0. Proof by strong mathematical induction: Let the property P(n) be the equation f = 3.2" +2.5". We will show that P(n) is true for every integer n ≥ 0. Show that P(0) and P(1) are true: Select P(0) from the choices below. O P(0) = 3.20 +2.5⁰ O P(0) = fo To = 5 O f = 3.20 +2.5⁰ - 2 Select P(1) from the choices below. O P(1) = f₁ OP(1) = 32¹ + 2 · 5¹ f₁ = 3.2¹ +2 5¹ f₁ P(0) and P(1) are true because 3 20 +2.50 = 5 and 3 · 2¹ + 2.5¹ = 16. Show that for every integer k ≥ 1, if P(i) is true for each integer i from 0 through k, then P(k+ 1) is true: for every integer k ≥ 2 Now, by definition of fo, f₁, f₂, fk+ 1 = Let k be any integer with k ≥ 1, and suppose that for every integer i with 0 ≤ i ≤ k, f; = Apply the inductive hypothesis to fk and fk - 1 This is the --Select--- and complete the proof as a free response. (Submit a file with a maximum size of 1 MB.) We must show that f +1 =
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