Pre calculus

P=(-2,2) Q=(3,4) S=(2,-8)

PS-3PQ

Find the component form and magnitude of the vector.

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  1. PS-3PQ
    = (-10,4) - 3(2,5)
    = (-10,4) + (-6,-15)
    = (-16,-11)

    magnitude is √((-16)^2 + (-11)^2)
    = √377

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  2. thank You

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  3. welcome

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  4. I dont understand how you got the answer. could you pls explain?

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