A forcing function (t2 – 2t) u (t – 1) is applied to a linear system. The ${\cal L}$- transform of the forcing function is

Question

TuteeHUB · Accepted Answer

NA

TuteeHUB · Answer

$\frac{{2 - s}}{{{s^3}}}\epsilon{^{ - 2s}}$

TuteeHUB · Answer

$\left( {\frac{{1 - {s^2}}}{S}} \right)\epsilon{^{ - s}}$

TuteeHUB · Answer

$\frac{1}{s}{e^{ - s}} - \frac{1}{{{s^2}}}\epsilon{^{ - 2s}}$

TuteeHUB · Answer

$\left( {\frac{{2 - {s^2}}}{{{s^3}}}} \right)\epsilon{^{ - S}}$

1.	A forcing function (t2 – 2t) u (t – 1) is applied to a linear system. The \({\cal L}\)- transform of the forcing function is
A.	\(\frac{{2 - s}}{{{s^3}}}\epsilon{^{ - 2s}}\)
B.	\(\left( {\frac{{1 - {s^2}}}{S}} \right)\epsilon{^{ - s}}\)
C.	\(\frac{1}{s}{e^{ - s}} - \frac{1}{{{s^2}}}\epsilon{^{ - 2s}}\)
D.	\(\left( {\frac{{2 - {s^2}}}{{{s^3}}}} \right)\epsilon{^{ - S}}\)
Answer» E.

A forcing function (t2 – 2t) u (t – 1) is applied to a linear system. The \({\cal L}\)- transform of the forcing function is