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AP EAMCET Engineering 21 Apr 2019 Shift 1 Paper

Section: Mathematics
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Question : 30 of 160
 
Marks: +1, -0
If
→
OA
 = 2
^
i
+2
^
j
+
^
k
 ,
→
OB
 = 2
^
i
+4
^
j
+4
^
k
 and the length of the internal bisector of ∠BOA of triangle AOB is k. then 9k2 =
Validate
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