AP EAMCET Engineering 2018 Apr 22 Shift 1 Paper

Section: Mathematics

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Question : 32 of 160

Marks: +1, -0

If

−

a

=

−

i

+2

−

j

+3

−

k

,

−

b

=−

−

i

+2

−

j

+

−

k

,

−

c

=

−

i

+2

−

j

−2

−

k

,

−

n

is perpendicular to both

−

a

and

−

b

, and θ is the angle between

−

c

and

−

n

then sin‌θ=

√
2
3
√2
3√3
2
√3
√3
2

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