TS EAMCET 6-Aug-2021 Shift 1 Question Paper

Section: Mathematics
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Question : 35 of 160
 
Marks: +1, -0
If
−
a
=
−
i
+
−
j
+
−
k
,
−
c
=
−
j
−
−
k
,
−
a
×
−
b
=
−
c
and
−
a
.
−
b
= 3, then
−
b
=
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