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 \( 7 \).
\( \{4,-2\} \)
\( \{4,2\} \)
\( \emptyset \)
\( \{0\} \)