Loop-voltage equations of a passive circuit are given by:1) Zij = Zji, i, j = 1, 2, 32) Zii > 0, i = 1, 2, 33) Δ Z ≤ 0Which of the above relations is correct?

• A. 1 and 2 only
• B. 1 and 3 only
• C. 2 and 3 only
• D. 1, 2, and 3