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AP EAPCET 24-Aug-2021 Shift 1 Paper

Section: Mathematics
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Question : 30 of 160
 
Marks: +1, -0
If
→
a
,
→
b
,
→
c
 are three vectors such that |
→
a
|=3,|
→
b
|=4,|
→
c
|=5 and
→
a
+
→
b
+
→
c
=0, then
→
a
.
→
b
 is equal to
Validate
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