AP EAMCET Engineering 2015 Code A Paper

Section: Mathematics

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Question : 30 of 160

Marks: +1, -0

If

−

a

,

−

b

,

−

c

are unit vectors such that

−

a

+

−

b

+

−

c

=

−

0

, then

−

a

.

−

b

+

−

b

.

−

c

+

−

c

.

−

a

=

3
2
−
3
2
1
2
−
1
2

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