AP and TS EAMCET Engineering Model Paper 1

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Question : 16 of 160
 
Marks: +1, -0
If the vectors
−
a
=
−
i
−
−
j
+2
−
k
,
−
b
=2
−
i
+4
−
j
+
−
k
,
−
c
=λ
−
i
+
−
j
+µ
−
k
are mutually orthogonal, then (λ,µ)=
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