Find a such that the lines r 1 = (1, 2, 1) + t(1, 1, 1) and
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Find a such that the lines r1 = (1, 2, 1) + t(1, −1, 1) and r2 = (3, −1, 1) + t(a, 4, −2) intersect.
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If the lines intersect there exists a point that lies on both lines That is there are uni...View the full answer
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