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KEAM 2014 Math Paper

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Question : 6 of 120
 
Marks: +1, -0
If
→
u
,
→
v
 and
→
w
 be vectors such that
→
u
+
→
v
+
→
w
=
→
0
. If |
→
u
|=3,|
→
v
|=4 and |
→
w
|=5 then
→
u
.
→
v
+
→
v
.
→
w
+
→
w
.
→
u
=
Validate
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