Coplanar Points Position Vectors (Jee Mains) | ExamDuo
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3D Coordinates and Direction Ratios
Medium
Coplanar Points Position Vectors
The sum of all values of
α
, for which the points whose position vectors are
^
i
−
2
^
j
+
3
k
,
2
^
i
−
3
^
j
+
4
k
,
(
α
+
1
)
^
i
+
2
k
and
9
^
i
+
(
α
−
8
)
^
j
+
6
^
k
are coplanar, is equal to :
Ask about this question
SELECT ONE OPTION
A
-2
B
2
C
6
D
4
Check