For the function F (s) = (s2+s+1)/s(s+5)(s+3), after splitting this function into partial fractions, the co-efficient of the term 1/s is?

For the function F (s) = (s2+s+1)/s(s+5)(s+3), after splitting this fu

1.	For the function F (s) = (s²+s+1)/s(s+5)(s+3), after splitting this function into partial fractions, the co-efficient of the term 1/s is?
A.	1/5
B.	1/10
C.	1/15
D.	1/20
Answer» D. 1/20

The inverse transform of the function k/(s+a) is?a) ke-at u(t)b) keat u(t)c) ke-at u(t-a)d) keat u(t-
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