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1. |
If x(n) is a real and odd sequence, then what is the expression for x(n)? |
A. | \(\frac{1}{π} \int_0^π\)[XI(ω) sinωn] dω |
B. | –\(\frac{1}{π} \int_0^π\)[XI(ω) sinωn] dω |
C. | \(\frac{1}{π} \int_0^π\)[XI(ω) cosωn] dω |
D. | –\(\frac{1}{π} \int_0^π\)[XI(ω) cosωn] dω |
Answer» C. \(\frac{1}{π} \int_0^π\)[XI(ω) cosωn] dω | |