Answer: The correct option is
(c) (-1, 0).
Step-by-step explanation: We are given to solve the following system of equations :
From equation (i), we have
Substituting the value of p from equation (iii) in equation (ii), we get
From equation (i), we get
Thus, the required solution is (p, q) = (-1, 0).
Option (c) is CORRECT.