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Vector Algebra

Section: Mathematics
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Question : 26 of 38
 
Marks: +1, -0
If
→
a
,
→
b
 and
→
c
 are unit vectors satisfying
|
→
a
−
→
b
|2+|
→
b
−
→
c
|2+|
→
c
−
→
a
|2
= 9, then |2
→
a
+5
→
b
+5
→
c
| is _____.
[JEE Adv 2012 P1]
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