Q12 of 181 Page 1080

Mark (√) against the correct answer in the following:

If and be such that then λ = ?


Given vectors and


Also given that


Let the angle between the vectors and be θ.


⇒ θ=


=


⇒


So, (


⇒ (2 3) + (4 -2) + (-1=0


⇒ 6-8-=0


⇒

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