Given a signal x[n] = δ[n] + 0.9 δ [n − 6]. The Discrete Time Fou – McqOptions

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1.	Given a signal x[n] = δ[n] + 0.9 δ [n − 6]. The Discrete Time Fourier Transform for 8 points is __________
A.	1 – 0.9 \(e^{-j \frac{2π}{8} k6}\)
B.	1 + 0.9 \(e^{-j \frac{2π}{8} k6}\)
C.	1 + 0.9 \(e^{j \frac{2π}{8} k6}\)
D.	1 – 0.9 \(e^{j \frac{2π}{8} k6}\)
Answer» C. 1 + 0.9 \(e^{j \frac{2π}{8} k6}\)

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