KCET 2024 Math Solved Paper

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Question : 43 of 60

Marks: +1, -0

Let

→

a

and

→

b

be two unit vectors and θ is the angle between them. Then

→

a

+

→

b

is a unit vector if

θ=‌
π
4
θ=‌
π
3
θ=‌
2π
3
θ=‌
π
2

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