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Vector Algebra Part 1

Section: Mathematics
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Question : 28 of 100
 
Marks: +1, -0
Let
→
a
,
→
b
 and
→
c
 be three unit vectors such that |
→
a
−
→
b
|2+|
→
a
−
→
c
|2=8.
Then |
→
a
+2
→
b
|2+|
→
a
+2
→
c
|2 is equal to ______.
[2 Sep 2020 Shift 1]
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