Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Find the value of
k
k
k
for which the vectors
u
⃗
=
(
k
,
2
,
3
)
\vec{u}=(k,2,3)
u
=
(
k
,
2
,
3
)
and
v
⃗
=
(
4
,
k
,
−
6
)
\vec{v}=(4,k,-6)
v
=
(
4
,
k
,
−
6
)
are perpendicular. a)
−
3
-3
−
3
b)
6
6
6
c)
3
3
3
d)
4
4
4
Browse the problem library