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UPSC NDA 2 2012 Mathematics Paper
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© examsnet.com
Question : 97
Total: 120
The vector
2
∧
j
−
∧
k
lies:
in the plane of
X
Y
in the plane of
Y
Z
in the plane of
X
Z
along the
X
-axis
Validate
Solution:
Given vector is
2
∧
j
−
∧
k
hence, it lies in YZ plane only.
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