Show that if u is a unit vector, then the arc length parameter along the line r(t)

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Show that if u is a unit vector, then the arc length parameter along the line r(t) = P0 + tu from the point P0(x0, y0, z0) where t = 0, is t itself.

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Thomas Calculus Early Transcendentals

ISBN: 9780321884077

13th Edition

Authors: Joel R Hass, Christopher E Heil, Maurice D Weir

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