What is the Fourier transform of the signal x(n)=a|n|, |a|<1? – McqOptions

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1.	What is the Fourier transform of the signal x(n)=a^\|n\|, \|a\|<1?
A.	( frac{1+a^2}{1-2acos +a^2} )
B.	( frac{1-a^2}{1-2acos +a^2} )
C.	( frac{2a}{1-2acos +a^2} )
D.	None of the mentioned
Answer» C. ( frac{2a}{1-2acos +a^2} )

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