The Laplace transforms of the functions tu(t) and u (t) sin t are resp

1.	The Laplace transforms of the functions tu(t) and u (t) sin t are respectively
A.	<table><tr><td rowspan="2"> </td><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">,<br></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>s</center></td><td rowspan="2"><br></td></tr><td align="center">s</td><td align="center">s<sup>2</sup> + 1 </td></table>
B.	<table><tr><td rowspan="2"> </td><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">,<br></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"><br></td></tr><td align="center">s</td><td align="center">s<sup>2</sup> + 1 </td></table>
C.
D.	<table><tr><td rowspan="2"> </td><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">,<br></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"><br></td></tr><td align="center">s<sup>2</sup></td><td align="center">s<sup>2</sup> + 1 </td></table>
E.	<table><tr> <td rowspan="2">s, </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 5</center> </td></tr><td align="center">s<sup>2</sup> + 1 </td></table>
Answer» D. <table><tr><td rowspan="2"> </td><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">,<br></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"><br></td></tr><td align="center">s<sup>2</sup></td><td align="center">s<sup>2</sup> + 1 </td></table>

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The Laplace transforms of the functions tu(t) and u (t) sin t are respectively

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