UPSC NDA Math Model Paper 7

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Question : 85 of 120
 
Marks: +1, -0
PQRS is a parallelogram, where
→
PQ
=m
^
i
+
^
j
,
→
PS
=2
^
i
+4
^
j
+4
^
k
and the area of the parallelogram is 6 sq. units. What is the value of m
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