Find the fourier transform of an exponential signal f(t) = e-at u(t),

1.	Find the fourier transform of an exponential signal f(t) = e^-at u(t), a>0.
A.	( frac{1}{a+j } )
B.	( frac{1}{a-j } )
C.	( frac{1}{-a+j } )
D.	( frac{1}{-a-j } )
Answer» B. ( frac{1}{a-j } )

Discussion