AIEEE 2008 Solved Paper

Section: Mathematics

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Question : 96 of 104

Marks: +1, -0

The vector

→

a

=α

∧

i

+2

∧

j

+β

∧

k

lies in the plane of the vectors

→

b

=

∧

i

+

∧

j

and

→

c

=

∧

j

+

∧

k

and bisects the angle between

→

b

and

→

c

. Then which one of the following gives possible values of α and β ?

[AIEEE 2008]

α=2,‌‌β=2
α=1,‌‌β=2
α=2,‌‌β=1
α=1,‌‌β=1

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