Level:
Project ID:
1003024106
Accepted:
1
Clonable:
0
Easy:
0
Find the value of the parameter \( q\in\mathbb{R} \) for which the line \( x+2y-1=0 \) is a tangent of the ellipse \( x^2+4y^2=q \).
\( \frac12 \)
\( \frac14 \)
\( 2 \)
\( 4 \)
\( 1 \)