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# (W1. We) be vectors in the plane and let (5 points) Let & - (u1. U2} &nd nuinber: Prove that c(u . U) (ci)real...

## Question

###### (W1. We) be vectors in the plane and let (5 points) Let & - (u1. U2} &nd nuinber: Prove that c(u . U) (ci)real

(W1. We) be vectors in the plane and let (5 points) Let & - (u1. U2} &nd nuinber: Prove that c(u . U) (ci) real

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