AP EAMCET Engineering 2014 Code A Solved Paper

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Question : 32 of 160
 
Marks: +1, -0
If
−
a
,
−
b
a
n
d
−
c
are vectors with magnitude 2,3 and 4 respectively then the best upper bound of |
−
a
−
−
b
|
2
+
|
−
b
−
−
c
|2+
|
−
c
−
−
a
|2
among the given values is
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