9000100706

SubArea: 
Points and vectors
Level: 
B
Project ID: 
9000100706
Accepted: 
1
Clonable: 
0
Easy: 
0
Given vectors a→=(−1;2;−3), b→=(0;1;−1), find the vector c→ perpendicular to both of them.
c→=(−1;1;1)
c→=(−3;0;1)
c→=(2;4;2)
c→=(−1;−1;1)