TS EAMCET 7 May 2018 Shift 1 Solved Paper

Section: Mathematics
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Question : 33 of 160
 
Marks: +1, -0
If
−
a
=
−
i
+
−
j
and
−
b
= 3
−
i
−2
−
j
, then the vector
−
r
satisfying the equations
−
r
×
−
a
=
−
b
×
−
a
and
−
r
×
−
b
=
−
a
×
−
b
is
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