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Byju's Answer
Standard XII
Mathematics
Perpendicular Distance of a Point from a Plane
Show that the...
Question
Show that the vector
2
^
i
−
3
^
j
+
4
^
k
and
−
4
^
i
+
6
^
j
−
8
^
k
are collinear.
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Solution
If
¯
a
=
λ
¯
b
,
then
¯
a
and
¯
b
are collinear
−
4
→
i
+
6
→
j
−
8
¯
k
=
2
(
2
→
i
−
3
→
j
+
4
¯
k
)
or
2
→
i
−
3
→
j
+
4
¯
k
=
1
2
(
−
4
→
i
+
6
→
i
−
8
¯
k
)
Hence they are collinear.
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Standard XII Mathematics
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