Level:
Project ID:
1003024107
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
Find the value of the parameter \( p\in\mathbb{R} \) for which the line \( x+2y-1=0 \) is a tangent of the parabola \( y^2=2px \).
\( -\frac12 \)
\( \frac12 \)
\( 2 \)
\( -2 \)
\( 1 \)