9000123105

SubArea: 
Conics
Level: 
C
Project ID: 
9000123105
Accepted: 
1
Clonable: 
0
Easy: 
0
Find the all values of the real parameter p which ensure that the line q:y=x−1 is a tangent to the parabola x2=2py.
p=2
p∈{0;2}
p=−2
p∈{−2;0}