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10 questions from this quiz
Direction vectors are scalar multiples
Lines that don't intersect & aren't parallel
Three
λ=3\lambda = 3λ=3
(4,−1,9)(4, -1, 9)(4,−1,9)
Solution consistency; lines may be skew
b1=kb2\mathbf{b}_1 = k \mathbf{b}_2b1=kb2, k∈Rk \in \mathbb{R}k∈R
Substitute back to find intersection pt
μ=−1\mu = -1μ=−1
Skew lines
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