Problem: The pairs of values of and that are the cormon solutions of the equations and are.
Answer Choices:
A. 3 real pairs
B. 4 real pairs
C. 4 imaginary pairs
D. 2 real and 2 imaginary pairs
E. 1 real and 2 imaginary pairs
Solution:
and ; and . This last equation has one real and two imaginary roots. is the correct choice.