1003020807

Level: 
Project ID: 
1003020807
Accepted: 
1
Clonable: 
0
Easy: 
0
Find the set of all values of a parameter \( a\in\mathbb{R} \) such that the distance of the points \( [a;3;-2] \) and \( [1;1;4] \) equals \( 7 \).
\( \{4;-2\} \)
\( \{4;2\} \)
\( \emptyset \)
\( \{0\} \)