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Mathematics
Mathematics
Problem
Two vectors are
u
⃗
=
k
i
^
+
2
j
^
+
3
k
^
\vec u = k\hat i + 2\hat j + 3\hat k
u
=
k
i
^
+
2
j
^
+
3
k
^
and
v
⃗
=
i
^
+
k
j
^
−
2
k
^
\vec v = \hat i + k\hat j - 2\hat k
v
=
i
^
+
k
j
^
−
2
k
^
. Determine the value of
k
k
k
for which the two vectors are perpendicular.
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