PLEASE HELP!
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I am not familiar with your |v₁| and |v₂| notation. Maybe you just meant v₁ and v₂?
To find the unit vectors that are in the direction of v₁ and v₂, respectively, divide each of the components by the magnitude of the vector. Since ||v₁|| = √(3^2 + 5^2) = √34 and ||v₂|| = √[(-4)^2 + 7^2] = √65, we see that the required vectors are <3/√34, 5/√34> and <-4/√65, 7/√65>.
I hope this helps!
To find the unit vectors that are in the direction of v₁ and v₂, respectively, divide each of the components by the magnitude of the vector. Since ||v₁|| = √(3^2 + 5^2) = √34 and ||v₂|| = √[(-4)^2 + 7^2] = √65, we see that the required vectors are <3/√34, 5/√34> and <-4/√65, 7/√65>.
I hope this helps!