AP EAMCET Engineering 24 Apr 2017 Shift 1 Paper

Section: Mathematics

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Question : 31 of 160

Marks: +1, -0

Given

−

a

=2

−

i

+

−

j

−2

−

k

and

−

b

=

−

i

+

−

j

. If

−

c

is a vector such that

−

a

.

−

c

=|

−

c

|,|

−

c

−

−

a

|=2√2 and the angle between

−

a

×

−

b

‌and‌

−

c

is 30°, then the value of |(

−

a

×

−

b

)|2 is

9
4
9
9
4
27
4

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