KCET 2009 Math Solved Paper

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Question : 8 of 61
 
Marks: +1, -0
If
→
a
+2
→
b
+3
→
c
=
→
O
, then
→
a
×
→
b
+
→
b
×
→
c
+
→
c
×
→
a
=

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