

MCQOPTIONS
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1. |
Given F(s) = ( frac{3s+5}{s^2+7} ). The value of L-1{F(s)} is _______________ |
A. | (3 ,cos ( sqrt{7} t) + frac{5}{ sqrt{7}} ,sin ( sqrt{7} ,t) ) |
B. | (3 ,cos ( sqrt{7} t)- frac{5}{ sqrt{7}} sin ( sqrt{7} ,t) ) |
C. | (3 ,cos ( sqrt{7} t) ) |
D. | ( frac{5}{ sqrt{7}} ,sin ( sqrt{7} t) ) |
Answer» B. (3 ,cos ( sqrt{7} t)- frac{5}{ sqrt{7}} sin ( sqrt{7} ,t) ) | |