Army Group X Solved Paper

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Question : 46 of 50
 
Marks: +1, -0
If the points A(60
⋀
i
+3
⋀
j
)
B(40
⋀
i
−8
⋀
j
)
,
and C(a
⋀
i
−52
⋀
j
)
are collinear, then a is equal to
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