KEAM 2018 Math Paper

© examsiri.com
Question : 53 of 120
 
Marks: +1, -0
If |
−
a
|
=3
,
|
−
b
|=1,
|
−
c
|=4
and
−
a
+
−
b
+
−
c
=0
,
then the value of
−
a
.
−
b
+
−
b
.
−
c
+
−
c
.
−
a
is equal to
Go to Question: