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Byju's Answer
Standard XII
Mathematics
Distance Formula
Determine if ...
Question
Determine if the two lines
x
−
1
2
=
y
−
3
4
=
z
−
1
and
x
−
4
3
=
y
−
1
−
2
=
z
−
1
1
are coplanar.
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Solution
Direction ratios =
<
2
,
4
,
−
1
>
and
<
3
,
−
2
,
1
>
using Co-planar properties and solving the matrices,we get
3
(
4
−
2
)
+
2
(
2
+
3
)
+
1
(
−
4
−
12
)
6
+
10
−
16
⟹
0
As the result is 0.Hence, the lines are co-planar.
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