Vector Algebra Part 1

Section: Mathematics
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Question : 16 of 100
 
Marks: +1, -0
Let a=
∧
i
+α
∧
j
+3
∧
k
and b=3
∧
i
−α
∧
j
+
∧
k
. If the area of the parallelogram whose adjacent sides are represented by the vectors a and b is 8√3 square units, then a⋅b is equal to ............ .
[25 Feb 2021 Shift 2]
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