Consider the sequence defined recursively by a₁ = -1, a2 = 2, an+1 = -4an-1-5an. We can use matrix diagonalization to find an explicit formula for an. an-1 a. Find a matrix that satisfies = M an 188 b. Find the appropriate exponent k such that an = Mk an+1] M = k= c. Find a diagonal matrix D and an invertible matrix P such that M = PDP-¹. 1.88 8-18.8 P = D = d. Find P-1 P-¹ = an [an+1] e. Find M5 PD5 P-1. 188 f. Use parts b. and e. to find aç. M5 = a6 = g. You can find an explicit formula for an using part b. and a formula for M* = PDP-1. Try to develop this formula. Use your formula to verify the answer for part f

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 52RE
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Consider the sequence defined recursively by a₁ =
[an-1
a. Find a matrix that satisfies
an
M
=
D
b. Find the appropriate exponent k such that
an
[₂]
an+1,
P-1
= Mk
d. Find P-¹.
=
M5
k
c. Find a diagonal matrix D and an invertible matrix P such that M = PDP-¹.
1.89
-
e. Find M5 = PD5P-¹.
An
an+1_
I
-
M
-1, a2 = 2, an+1 = -4an-1 - 5an. We can use matrix diagonalization to find an explicit formula for an.
f. Use parts b. and e. to find a6.
a6 =
g. You can find an explicit formula for an using part b. and a formula for Mk = PDP-¹. Try to develop this formula. Use your formula to verify the answer for part f.
Transcribed Image Text:Consider the sequence defined recursively by a₁ = [an-1 a. Find a matrix that satisfies an M = D b. Find the appropriate exponent k such that an [₂] an+1, P-1 = Mk d. Find P-¹. = M5 k c. Find a diagonal matrix D and an invertible matrix P such that M = PDP-¹. 1.89 - e. Find M5 = PD5P-¹. An an+1_ I - M -1, a2 = 2, an+1 = -4an-1 - 5an. We can use matrix diagonalization to find an explicit formula for an. f. Use parts b. and e. to find a6. a6 = g. You can find an explicit formula for an using part b. and a formula for Mk = PDP-¹. Try to develop this formula. Use your formula to verify the answer for part f.
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