Laplace - Teoremas de Translação

Laplace - Teoremas de Translação

University

9 Qs

quiz-placeholder

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Laplace - Teoremas de Translação

Laplace - Teoremas de Translação

Assessment

Quiz

Mathematics

University

Medium

Created by

Rosandra Lemos

Used 5+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L{e2tcos(2t)}=L\left\{e^{-2t}\cos\left(2t\right)\right\}=  

 ss2 +4s+8\frac{s}{s^{2\ }+4s+8}  

 s+2s2 +4s+4\frac{s+2}{s^{2\ }+4s+4}  

 s+2s2+4s+8\frac{s+2}{s^2+4s+8}  

 s2s24s+8\frac{s-2}{s^2-4s+8}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L{e3tt2}=L\left\{e^{3t}t^2\right\}=  

 2(s+3)3\frac{2}{\left(s+3\right)^3}  

 1(s3)3\frac{1}{\left(s-3\right)^3}  

 3(s3)2\frac{3}{\left(s-3\right)^2}  

 2(s3)3\frac{2}{\left(s-3\right)^3}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L{te2tcos(5t)}=L\left\{te^{2t}\cos\left(5t\right)\right\}=  

 s24s21(s24s+29)2\frac{s^2-4s-21}{\left(s^2-4s+29\right)^2}  

 s24s21s24s+29\frac{s^2-4s-21}{s^2-4s+29}  

 s2+4s21(s2+4s+29)2\frac{s^2+4s-21}{\left(s^2+4s+29\right)^2}  

 s2+4s21s2+4s+29\frac{s^2+4s-21}{s^2+4s+29}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L1{s1s22s+5}=L^{-1}\left\{\frac{s-1}{s^2-2s+5}\right\}=  

 etcos(2t)e^{-t}\cos\left(2t\right)  

 etcos(2t)e^t\cos\left(2t\right)  

 etsen(2t)e^tsen\left(2t\right)  

 etsen(2t)e^{-t}sen\left(2t\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L1 {1(s+2)5}=L^{-1\ }\left\{\frac{1}{\left(s+2\right)^5}\right\}=  

 t424\frac{t^4}{24}  

 e2tt424\frac{e^{2t}t^4}{24}  

 e2tt424\frac{e^{-2t}t^4}{24}  

 ett4 e^tt^{4\ }  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L1{4s4s24s+20}=L^{-1}\left\{\frac{4s-4}{s^2-4s+20}\right\}=  

 e2tcos(4t)+e2tsen(4t)e^{2t}\cos\left(4t\right)+e^{2t}sen\left(4t\right)  

 4e2tcos(4t)+e2tsen(4t)4e^{2t}\cos\left(4t\right)+e^{2t}sen\left(4t\right)  

 e2tcos(4t)+e2tsen(4t)e^{-2t}\cos\left(4t\right)+e^{-2t}sen\left(4t\right)  

 2e2tcos(4t)+e2tsen(4t)2e^{2t}\cos\left(4t\right)+e^{2t}sen\left(4t\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L{e3tH(t1)}=L\left\{e^{-3t}H\left(t-1\right)\right\}=  

 ess+3\frac{e^{-s}}{s+3}  

 e(s+3)s+3\frac{e^{-\left(s+3\right)}}{s+3}  

 e(s3)s3\frac{e^{-\left(s-3\right)}}{s-3}  

 ess3\frac{e^{-s}}{s-3}  

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L{(t22t)H(t4)}=L\left\{\left(t^2-2t\right)H\left(t-4\right)\right\}=  

 e4s(2s3+6s2+8s)e^{-4s}\left(\frac{2}{s^3}+\frac{6}{s^2}+\frac{8}{s}\right)  

 e4s(2s3+6s2+8s)e^{4s}\left(\frac{2}{s^3}+\frac{6}{s^2}+\frac{8}{s}\right)  

 2s3+6s2+8s\frac{2}{s^3}+\frac{6}{s^2}+\frac{8}{s}  

 es(2s3+6s2+8s)e^{-s}\left(\frac{2}{s^3}+\frac{6}{s^2}+\frac{8}{s}\right)  

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A solução do problema de valor y6y+9y=t2e3ty''-6y'+9y=t^2e^{3t}  y(0)=2y\left(0\right)=2  e  y(0)=17y'\left(0\right)=17  é: 

 y(t)=2e3t+t4e3t12y\left(t\right)=2e^{3t}+\frac{t^4e^{3t}}{12}  

 y(t)=2e3t+11te3t+t4e3t12y\left(t\right)=2e^{3t}+11te^{3t}+\frac{t^4e^{3t}}{12}  

 y(t)=11te3t+t4e3t12y\left(t\right)=11te^{3t}+\frac{t^4e^{3t}}{12}  

 y(t)=2e3t+11te3ty\left(t\right)=2e^{3t}+11te^{3t}