Vector Algebra Part 1

Section: Mathematics
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Question : 10 of 100
 
Marks: +1, -0
Let a=2
∧
i
−3
∧
j
+4
∧
k
and b=7
∧
i
+
∧
j
−6
∧
k
. If r×a=r×b,r⋅(
∧
i
+2
∧
j
+
∧
k
)
=−3
, then. r⋅(2
∧
i
−3
∧
j
+
∧
k
)
is equal to
[17 Mar 2021 Shift 1]
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