In R3, a fine through the origin is the set of all points
Chapter 3, Problem 29E(choose chapter or problem)
In R3, a fine through the origin is the set of all points in R3 whose coordinates satisfy x1 = at, x2= bt, and x3 = ct, where t is a variable and a, b, and c are not all zero. Show that a line through the origin is a subspace of R3
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