Level:
Project ID:
2010006002
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Find the value of the parameter \( p\in\mathbb{R} \) for which the line \( 2x-y-1=0 \) is a tangent of the parabola \( x^2=2py \).
\( \frac12 \)
\(- \frac12 \)
\( 2 \)
\( -2 \)
\( 1 \)