Q2 of 138 Page 24

For what value of λ are the vector and perpendicular to each other? Where :

and





Now



2 × 3 + 3 × 2 + 4 × (-λ) = 0


- 4 λ = - 12



λ = 3


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For what value of λ are the vector and perpendicular to each other? Where :

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For what value of λ are the vector and perpendicular to each other? Where :

and

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If and are two vectors such that and Find the angle between and