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    Find a vector perpendicular to another vector

    Homework Statement Consider the two vectors: L = 4 i + 3 j + k and s = 6 i + 6 j + 8 k Find the value of the scalar α such that the vector L - αs is perpendicular to L. Homework Equations Dot Product: A \bullet B = |A||B| cos(theta) A \bullet B = AxBx i + AyBy j + AzBz k A \bullet A = (Ax^2...
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