VectorHard
Question
The vector
lies in the plane of the vectors
and
and bisects theangle between
and
. Then which one of the following gives possible values of α and β ?
lies in the plane of the vectors
and
and bisects theangle between
and
. Then which one of the following gives possible values of α and β ?Options
A.α = 2, β = 2
B.α = 1, β = 2
C.α = 2, β = 1
D.α = 1, β = 1
Solution
⇒

λ = √2α and λ = √2 and λ = √2β
⇒ a = 1 and β = 1.
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