Level:
Project ID:
1003024109
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
Find the set of values of the parameter \( c\in\mathbb{R} \) for which the line \( 3x+5y-c=0 \) is a secant of the ellipse \( 16x^2+25y^2=400 \).
\( (-25;25) \)
\( (-\infty;-25)\cup(25;\infty) \)
\( \{25\} \)
\( \{-25\} \)
\( (25;\infty) \)