Finding Value of m for Perpendicular Vectors (J… | ExamDuo
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Scalars and Vectors
Medium
Finding Value of m for Perpendicular Vectors
If two vectors
→
P
=
^
i
+
2
m
^
j
+
mk
and
→
Q
=
4
^
i
−
2
^
j
+
mk
are perpendicular to each other.
Then, the value of
m
will be :
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SELECT ONE OPTION
A
−
3
B
2
C
1
D
−
1
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