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UPSC NDA I 2024 Mathematics Paper

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Question : 66 of 120
 
Marks: +1, -0
Let
→
a
=
^
i
−
^
j
+
^
k
 and
→
b
=
^
i
+2
^
j
−
^
k
. If
→
a
×(
→
b
×
→
a
)=α
^
i
−β
^
j
+γ
^
k
, then what is the value of α+β+γ ?
Validate
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