p:c^2>; You can introduce: c
q:x^2+4cx+ 1>; 0 is a discriminant
Because p or q is true, p and q are false.
So p and q are true or false.
When p is true: c
When q is true:-1/2
Up: (negative infinity,-1/2 or 0, 1/2) or (1, positive infinity)
2:
p:-b/2a & lt; 0 and discriminant >; 0, it can be deduced that: m>2
Q: Discriminant formula
Because p or q is true, p and q are false.
So p and q are true or false.
As mentioned above: (0, 2 or 4, positive infinity)