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The particular solution of the second-order difference equation
yn+2 - 6yn+1 + 8yn = 0 n 2
subject to the initial conditions y0 = 3 and y1 = 2may be written in the form
yn = A(2n) + B(4n) n 0.
Determine the values of (A, B).
Suggested Answer: D
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12 comments · newest first
JA
Janessa
12 months ago
Are we sure those initial conditions are right?
RO
Rodney
1 year ago
Wait, how do we even get those values?
KA
Karon
1 year ago
I think it's option B, but not too sure.
TI
Tiera
1 year ago
Totally agree, it's definitely a second-order linear equation!
GW
Gwenn
1 year ago
The characteristic equation gives roots 2 and 4.
IL
Ilda
1 year ago
I’m leaning towards option A, but I’m not completely confident. I hope I remember the substitution method correctly!
AD
Adaline
1 year ago
I feel like I’ve seen the form yn = A(2^n) + B(4^n) before, but I can’t recall how to solve for A and B specifically.
QU
Quinn
1 year ago
I think the characteristic equation should help us find the roots, but I’m a bit confused about how to use them with the initial values.
DO
Doug
1 year ago
I remember we practiced a similar difference equation in class, but I’m not sure how to apply the initial conditions here.
DA
Daren
1 year ago
I think the most likely reason is that the developer didn't call the AllocatePublicIpAdress API, which is needed to assign a public IP. That seems like the key step that was likely missed.
YA
Yaeko
1 year ago
Citrix Workspace ADMX templates seem like they could be a good fit here. That would allow me to centrally manage those settings across the environment.
RE
Rebeca
1 year ago
I'm leaning towards "yum" because I recall it being used for package management in similar questions.