(a) 5³ +25² +35+4 S Ans. 0 54-65³ +7s² +2s +4 S Ans. 2 0.3s +1.1s³3 +0.7s² + s +2.1 Ans. 2 (b) (c)

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Plz provide answers for drill problem 2.10 asap
DRILL PROBLEMS
D2.9 What can be determined about the roots of
the coefficient tests?
-38² +25³ +3+10
Ans. at least one RHP root
45 +35³ +105² +85 +1
Ans. nothing
³+45³ +8
Ans. imaginary axis (IA) or RHP roots or both
(d)
30+65 +35² +10
Ans. IA or RHP roots or both
D2.10 How many roots of each of the following polynomials are in the right half
of the complex plane?
(c)
Transcribed Image Text:DRILL PROBLEMS D2.9 What can be determined about the roots of the coefficient tests? -38² +25³ +3+10 Ans. at least one RHP root 45 +35³ +105² +85 +1 Ans. nothing ³+45³ +8 Ans. imaginary axis (IA) or RHP roots or both (d) 30+65 +35² +10 Ans. IA or RHP roots or both D2.10 How many roots of each of the following polynomials are in the right half of the complex plane? (c)
(a)
5³ +25² +3s +4
Ans. 0
54-6s³ +7s² + 2s +4
Ans. 2
0.3s +1.15³ +0.7s² + s +2.1
Ans. 2
5³ +54 +25³ +35² + 1/{
Ans. 4
255 +54 +25³ + 4s² + s +6
Ans. 2
D2.11 The Routh-Hurwitz tests for the following polynomia
column zeros. For each polynomial, use the array to find the
the right half of the complex plane.
(a)
s³ +2s +3
(b)
(e)
Transcribed Image Text:(a) 5³ +25² +3s +4 Ans. 0 54-6s³ +7s² + 2s +4 Ans. 2 0.3s +1.15³ +0.7s² + s +2.1 Ans. 2 5³ +54 +25³ +35² + 1/{ Ans. 4 255 +54 +25³ + 4s² + s +6 Ans. 2 D2.11 The Routh-Hurwitz tests for the following polynomia column zeros. For each polynomial, use the array to find the the right half of the complex plane. (a) s³ +2s +3 (b) (e)
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