The Laplace transform of the function 6e5tcos(2t) e7t is ___________ – McqOptions

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1.	The Laplace transform of the function 6e^5tcos(2t) e^7t is ______________
A.	( frac{6(s-5)}{(s-5)^2+4} frac{1}{s-7} )
B.	( frac{6(s-5)}{(s-5)^2+4} + frac{1}{s-7} )
C.	( frac{6(s+5)}{(s+5)^2+4} frac{1}{s-7} )
D.	( frac{6(s+5)}{(s+5)^2+4} + frac{1}{s-7} )
Answer» B. ( frac{6(s-5)}{(s-5)^2+4} + frac{1}{s-7} )

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