Q2 of 138 Page 24

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

and





Now



λ × 1 + 3 × (-1) + 2 × 3 = 0


λ - 3 + 6 = 0


λ = -3


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

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