1.

For the function F (s) = (s+5)/s(s2+2s+5), after splitting this function into the partial fractions. What is the inverse transform of F (s) is?

A. 1+ 1/2 e<sup>(-1+j2)t</sup>-1/2 e<sup>(-1-j2)t</sup>
B. 1+ 1/2 e<sup>(-1+j2)t</sup>+1/2 e<sup>(-1-j2)t</sup>
C. 1- 1/2 e<sup>(-1+j2)t</sup>-1/2 e<sup>(-1-j2)t</sup>
D. 1- 1/2 e<sup>(-1+j2)t</sup>+1/2 e<sup>(-1-j2)t</sup>
Answer» D. 1- 1/2 e<sup>(-1+j2)t</sup>+1/2 e<sup>(-1-j2)t</sup>


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