AP EAPCET 19-Aug-2021 Shift 1 Paper

Section: Mathematics
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Question : 32 of 160
 
Marks: +1, -0
Let
→
a
=
^
i
+
^
j
+
^
k
,
→
b
=
^
i
+3
^
j
+5
^
k
and
→
c
=7
^
i
+9
^
j
+11
^
k
then the area of parallelogram having diagonals
^
a
+
^
b
and
^
b
+
^
c
is
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