Problem 4. Let a, = 2, a2= 9, and an= 2an-1+ 3an-2, for n > 3. Use mathematical induction to show that an < 3" for all positive integersn.

Algebra for College Students
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Author:Jerome E. Kaufmann, Karen L. Schwitters
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Chapter14: Sequences And Mathematical Induction
Section14.4: Mathematical Induction
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Could solve the problem 4 with the way that I attached photo (with base/inductive steps). please?

 

Problem 4. Let a, = 2, a2= 9, and an= 2an-1+3an-2, for n > 3. Use mathematical
induction to show that an< 3" for all positive integersn.
Transcribed Image Text:Problem 4. Let a, = 2, a2= 9, and an= 2an-1+3an-2, for n > 3. Use mathematical induction to show that an< 3" for all positive integersn.
Date.
Page.
n>/
Prve Hhat § F;' = Fn. Fatt,
2.
F,"+ F," +F t + Fa Eo i Enti
Basis step:
P()
2.
1=1
a True
Pci) is trie
stot
Inductive stes:s
Assmne that
Assume that plCk) is true forok>/
p'(k) is true hor k>/
2.
2.
F.
2.
+ Fk
PCは+I)
+ Fk
+ Fr t
plove that
7P(kH): Ę + F t
F,'+ F,'+ wi Fkt Fir
is frue
+FFH
Me want to
2.
2.
2.
2.
Fkt2
Fr+K(F,+FKti
True, therefore, P(K) → p(Kt!) is tree
2.
-Feti Fk+2
ニ
→ P(kt) is
A Therelore I F
Fn Fati is
true for hzl
2.
tち t
is true
2.
where nis
positine $ integer and to s the
Fibonacci number.
a
nth
2.
Transcribed Image Text:Date. Page. n>/ Prve Hhat § F;' = Fn. Fatt, 2. F,"+ F," +F t + Fa Eo i Enti Basis step: P() 2. 1=1 a True Pci) is trie stot Inductive stes:s Assmne that Assume that plCk) is true forok>/ p'(k) is true hor k>/ 2. 2. F. 2. + Fk PCは+I) + Fk + Fr t plove that 7P(kH): Ę + F t F,'+ F,'+ wi Fkt Fir is frue +FFH Me want to 2. 2. 2. 2. Fkt2 Fr+K(F,+FKti True, therefore, P(K) → p(Kt!) is tree 2. -Feti Fk+2 ニ → P(kt) is A Therelore I F Fn Fati is true for hzl 2. tち t is true 2. where nis positine $ integer and to s the Fibonacci number. a nth 2.
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