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KCET 2012 Math Solved Paper

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Question : 4 of 60
 
Marks: +1, -0
If
→
a
,
→
b
 and
→
c
 are three non-coplanar vectors and
→
p
,
→
q
, and
→
r
 are vectors defined
→
p
=
(
→
b
×
→
c
)
[
→
a
→
b
→
c
]
,
→
q
=
(
→
c
×
→
a
)
[
→
a
→
a
→
c
]
,
→
r
=
(
→
a
×
→
b
)
[
→
a
→
b
→
c
]
, then the value of
(
→
a
+
→
b
).
→
p
+(
→
b
+
→
c
).
→
q
 + (
→
c
+
→
a
).
→
r
=
Validate
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