In 3-space, a line through the origin can be written as S = {(x, y, z)lx =at, y = bt, z
Chapter 7, Problem 21(choose chapter or problem)
In 3-space, a line through the origin can be written as S = {(x, y, z)lx =at, y = bt, z =ct, a, b, c real numbers}. With addition and scalar multiplication the same as for vectors (x, y, z), show that S is a subspace of R3
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