Find the Fourier transform of f(t)=te-at u(t).

1.	Find the Fourier transform of f(t)=te^-at u(t).
A.	( frac{1}{(a-j )^2} )
B.	( frac{1}{(a+j )^2} )
C.	( frac{a}{(a-j )^2} )
D.	( frac{ }{(a-j )^2} )
Answer» C. ( frac{a}{(a-j )^2} )

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