JEE Advanced 2020 Concept Recapitulation Test 1 Paper 1

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Question : 52 of 54
 
Marks: +1, -0
The vertices of a triangle are A(1,0,0),B(0,2,0) and C(0,0,3). If (a
⋀
i
+b
⋀
j
+c
⋀
k
)
is position vector of othrocenter of ∆ABC then √‌
6
(a−b−c)
is
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