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Vector Algebra Part 1

Section: Mathematics
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Question : 24 of 100
 
Marks: +1, -0
Let x0 be the point of local maxima of f(x)=
→
a
.(
→
b
×
→
c
), where
→
a
=x
^
i
−2
^
j
+3
^
k
,
→
b
=−2
^
i
+x
^
j
−
^
k
 and
→
c
=7
^
i
−2
^
j
+x
^
k
. Then the value of
→
a
.
→
b
+
→
b
.
→
c
+
→
c
.
→
a
 at x=x0 is :
[4 Sep 2020 Shift 1]
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