Vector Length in R^n

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Linear Algebra: Using the standard length of vectors in R, R^2, and R^3, we show how nonzero vectors factor into length and direction. The direction is represented by a unit vector. A general formula is given for R^n using the Pythagorean Theorem.
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@candamohcine You're welcome! How have you been? - Bob

MathDoctorBob
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@ian559fresno You're welcome! - Bob

MathDoctorBob
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bravo..nicely done, mate! thnx for uploading; it helped.

gerald_the_science_guy
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Great presentation, love the intuition offered instead of straight recipes to solve. I caught a rare error of yours at approx 6:40. You said 'rho' but you meant to say 'phi'. 

larrybavly
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@candamohcine Good luck! R is a fun language. - Bob

MathDoctorBob