Which of the following condition should the unit sample response of a FIR filter satisfy to have a linear phase?

-h(M-1-n) n=0,1,2‚Äö√Ñ√∂‚àö√ë¬¨‚àÇM-1

h(M-1-n) n=0,1,2‚Äö√Ñ√∂‚àö√ë¬¨‚àÇM-1

¬¨¬®¬¨¬±h(M-1-n) n=0,1,2‚Äö√Ñ√∂‚àö√ë¬¨‚àÇM-1

Which of the following condition should the unit sample response of a

1.	Which of the following condition should the unit sample response of a FIR filter satisfy to have a linear phase?
A.	h(M-1-n) n=0,1,2‚Äö√Ñ√∂‚àö√ë¬¨‚àÇM-1
B.	¬¨¬®¬¨¬±h(M-1-n) n=0,1,2‚Äö√Ñ√∂‚àö√ë¬¨‚àÇM-1
C.	-h(M-1-n) n=0,1,2‚Äö√Ñ√∂‚àö√ë¬¨‚àÇM-1
D.	None of the mentioned
Answer» C. -h(M-1-n) n=0,1,2‚Äö√Ñ√∂‚àö√ë¬¨‚àÇM-1