The roots of the equation H(z) must occur in:
A. Identical
B. Zero
C. Reciprocal pairs
D. Conjugate pairs
Answer:A
The roots of the equation H(z) must occur in:
A. Identical B. Zero C. Reciprocal pairs D. Conjugate pairs
Explanation: We know that the roots of the polynomial H(z) are identical to the roots of the polynomial H(z -1). Consequently, the roots of H(z) must occur in reciprocal pairs.