AIEEE 2003 Math Solved Paper
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Question : 43 of 66
Marks:
+1,
-0
Let
=
+
,
=
−
and
=
+ 2
+ 3
. If
is a unit vector such that
â‹…
= 0 and
â‹…
= 0 , then |
â‹…
| is equal to
[AIEEE 2003]
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