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Please answer all subparts. I will really really upvote. Thanks

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Advanced Engineering Mathematics
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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Assuming that y is N3 (u ,V), where 2 (4 1 0V V = 1 2 1 1 3. 3 - 3 - 6 1 | Let A = - 3 2 8 – 6 3 a) Find Var(Ay). b) Find E(y'Ay). c) Does y'Ay have a chi-square distribution? Justify.
Transcribed Image Text:Assuming that y is N3 (u ,V), where 2 (4 1 0V V = 1 2 1 1 3. 3 - 3 - 6 1 | Let A = - 3 2 8 – 6 3 a) Find Var(Ay). b) Find E(y'Ay). c) Does y'Ay have a chi-square distribution? Justify.
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